Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone: specification forming part of Letters Patent No. 372,786, ...
Diagram and specifications. Original application filed May 4, 1887, Serial No. 237,060. Divided and this application filed September 26, 1887. Serial No. 250,721. Patent detailing Emile Berliner's "useful impro... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Apparatus for producing sound-records: specification forming part of L...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specification of Em... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Production of Sound Records : specifications forming part of Letters P...
"Joseph W. Jones of New York, N.Y. assignor to himself, and Joseph A. Vincent, of Philadelphia, Pennsylvania. Diagram and specifications detailing Joseph Jones' improvements in the production of sound records.
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Photocopy of Zon-o-Phone advertisement
Photocopy of advertisement for Zon-o-phone talking machine from National Gram-o-phone Corporation.
Gramophone, & c.: specification forming part of Letters Patent No. 637...
Includes 2 pages of diagrams. "Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place." Diagrams and specifications for Emile Berliner's "new and us... More
Sound-record and method of making same: specification forming part of ...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specifications for ... More
Recording and reproducing sounds : specification forming part of Lette...
Diagrams and specifications detailing Sumner Tainter's improvements in recording and producing sounds.
Sound - record tablet : specification of Letters Patent No. 840,932, p...
Diagram and specification for Byron Goldsmith's improvements in sound - record tablets.
Gramophone: invented by Emile Berliner, "reproducing the human voice"
Copy 1. Pamphlet describing the gramophone, its history, and purpose. Also includes a price list on the back cover for several different products.
Gramophone sound-box : specification forming part of Letters Patent No...
"Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place"--printed above description of patent. Diagram and specification for Emile Berliner's "new a... More
Gramophone, & c.: specification forming part of Letters Patent No. 637...
Includes 2 pages of diagrams. "Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place." Diagrams and specifications for Emile Berliner's "new and us... More
Gramophone, & c.: specification forming part of Letters Patent No. 637...
Includes 2 pages of diagrams. "Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place." Diagrams and specifications for Emile Berliner's "new and us... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Talking - Machine : specification of Letter Patent No. 814,786, patent...
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
Gramophone, & c.: specification forming part of Letters Patent No. 637...
Includes 2 pages of diagrams. "Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place." Diagrams and specifications for Emile Berliner's "new and us... More
Apparatus for producing sound-records: specification forming part of L...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specification of Em... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Sound - record tablet : specification of Letters Patent No. 840,932, p...
Diagram and specification for Byron Goldsmith's improvements in sound - record tablets.
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Talking - Machine : specification of Letter Patent No. 814,786, patent...
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Recording and reproducing sounds : specification forming part of Lette...
Diagrams and specifications detailing Sumner Tainter's improvements in recording and producing sounds.
Sound - Box : specification of Letters Patent No. 840,974, dated 1907 ...
Diagram and specification detailing Valiquet's improvements in the design of the sound - box/ talking machine.
Patentschrift no. 53622 : Neuerung an dem durch das patent 45048 gesch...
Diagram and specifications. Front stamped in red on upper left-hand corner : "--entbureau, Berliner, N. W. Emistrasse 31, Eduard Franke." In German.
Talking - Machine : specification of Letter Patent No. 814,786, patent...
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone: specification forming part of Letters Patent No. 692,502, ...
Copy 1. Application filed June 13, 1900. Serial No. 20,170. Diagrams and specifications detailing Emile Berliner's improvements in gramophones. Describes how any desired volume of sound may be produced from exi... More
Sound-record and method of making same: specification forming part of ...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specifications for ... More
Gramophone: specification forming part of Letters Patent No. 692,502, ...
Copy 1. Application filed June 13, 1900. Serial No. 20,170. Diagrams and specifications detailing Emile Berliner's improvements in gramophones. Describes how any desired volume of sound may be produced from exi... More
Recording and reproducing sounds : specification forming part of Lette...
Diagrams and specifications detailing Sumner Tainter's improvements in recording and producing sounds.
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Pamphlet--Battery motor gramophone type b. : incandescent current moto...
Copy 1. Title taken from heading of page(s). Two-sided promotional pamphlet with illustration, specifications, and price of the Battery Motor Gramophone Type B on one side, and the Incandescent Current Motor Gr... More
Recording and reproducing sounds : specification forming part of Lette...
Diagrams and specifications detailing Sumner Tainter's improvements in recording and producing sounds.
Gramophone sound-box : specification forming part of Letters Patent No...
"Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place"--printed above description of patent. Diagram and specification for Emile Berliner's "new a... More
Sound-record and method of making same: specification forming part of ...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specifications for ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patentschrift no. 53622 : Neuerung an dem durch das patent 45048 gesch...
Diagram and specifications. Front stamped in red on upper left-hand corner : "--entbureau, Berliner, N. W. Emistrasse 31, Eduard Franke." In German.
Gramophone sound-box : specification forming part of Letters Patent No...
"Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place"--printed above description of patent. Diagram and specification for Emile Berliner's "new a... More
Gramophone: specification forming part of Letters Patent No. 372,786, ...
Diagram and specifications. Original application filed May 4, 1887, Serial No. 237,060. Divided and this application filed September 26, 1887. Serial No. 250,721. Patent detailing Emile Berliner's "useful impro... More
Patentschrift no. 53622 : Neuerung an dem durch das patent 45048 gesch...
Diagram and specifications. Front stamped in red on upper left-hand corner : "--entbureau, Berliner, N. W. Emistrasse 31, Eduard Franke." In German.
Sound - record tablet : specification of Letters Patent No. 840,932, p...
Diagram and specification for Byron Goldsmith's improvements in sound - record tablets.
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Apparatus for producing sound-records: specification forming part of L...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specification of Em... More
Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May ...
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3. Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicito... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Apparatus for producing sound-records: specification forming part of L...
Copy 1. "Emile Berliner, of Washington, District of Columbia, Assignor to United States Gramophone Company, of Washington, District of Columbia, a corporation of West Virginia." Diagrams and specification of Em... More
Sound - Box : specification of Letters Patent No. 840,974, dated 1907 ...
Diagram and specification detailing Valiquet's improvements in the design of the sound - box/ talking machine.
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Recording and reproducing sounds : specification forming part of Lette...
Diagrams and specifications detailing Sumner Tainter's improvements in recording and producing sounds.
Gramophone: specification forming part of Letters Patent No. 372,786, ...
Diagram and specifications. Original application filed May 4, 1887, Serial No. 237,060. Divided and this application filed September 26, 1887. Serial No. 250,721. Patent detailing Emile Berliner's "useful impro... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Gramophone patents: U. S. Gramophone Co
Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623. Some blank pages between patents and facing diagrams. Gramophone patents bound informally together. Includes Berliner patents... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More
Patents booklet motion picture, Emile Berliner radio broadcasting coll...
"H'oenshein" ? handwritten on front cover. Pencil notations p.1, p. 5 , p. 15. Informally-bound booklet of various gramophone patents, diagrams, and specifications, including Emile Berliner's patents: 372,786; ... More