Consolidation Coal Company Mine No. 11, Lepley Ventilator, East side o...
Significance: The Lepley ventilator is significant as one of the few centrifugal mine ventilation fans in the eastern United States, surviving in situ. The ventilator, patented in 1903 by Daniel Lepley, helped... More
Ventilator for Hall of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Old Croton Aqueduct, Ventilator Number 9, Spring & Everett Streets, Os...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. Ventilators played an important role in the function of ... More
Old Croton Aqueduct, Ventilator No. 10, North of Scarborough Road, Bri...
Unprocessed Field note material exists for this structure: FN-20 Survey number: HAER NY-207 National Register of Historic Places NRIS Number: 74001324
Consolidation Coal Company Mine No. 11, Lepley Ventilator, East side o...
Significance: The Lepley ventilator is significant as one of the few centrifugal mine ventilation fans in the eastern United States, surviving in situ. The ventilator, patented in 1903 by Daniel Lepley, helped... More
Old Croton Aqueduct, Ventilator No. 18, South of Main Street, Irvingto...
Unprocessed Field note material exists for this structure: FN-20 Survey number: HAER NY-208 National Register of Historic Places NRIS Number: 74001324
Crawford ventilators. Ventilator II
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Old Croton Aqueduct, Ventilator Number 9, Spring & Everett Streets, Os...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. Ventilators played an important role in the function of ... More
New Britain, Connecticut. Hot cores under a cooling ventilator in the ...
Public domain photograph of Connecticut in 1930s, free to use, no copyright restrictions image - Picryl description
John Thompson Dorrance Laboratory, M.I.T., Cambridge, Massachusetts. V...
Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description
This is a partial view of the living room showing the dinette corner w...
Public domain photograph of living room, apartment, free to use, no copyright restrictions image - Picryl description
Old Croton Aqueduct, Ventilator Number 9, Spring & Everett Streets, Os...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. Ventilators played an important role in the function of ... More
Crawford ventilators. Ventilator I
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Consolidation Coal Company Mine No. 11, Lepley Ventilator, East side o...
Significance: The Lepley ventilator is significant as one of the few centrifugal mine ventilation fans in the eastern United States, surviving in situ. The ventilator, patented in 1903 by Daniel Lepley, helped... More
Consolidation Coal Company Mine No. 11, Lepley Ventilator, East side o...
Significance: The Lepley ventilator is significant as one of the few centrifugal mine ventilation fans in the eastern United States, surviving in situ. The ventilator, patented in 1903 by Daniel Lepley, helped... More
![Espy's patent conical ventilator. [Description of] James P. Espy. Washington 1842.](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTAvMDcvZXNweXMtcGF0ZW50LWNvbmljYWwtdmVudGlsYXRvci1kZXNjcmlwdGlvbi1vZi1qYW1lcy1wLWVzcHktd2FzaGluZ3Rvbi0xODQyLWE2ODU5MC0xMDI0LmpwZw%3D%3D/40/46/webp "Espy's patent conical ventilator. [Description of] James P. Espy. Washington 1842.")
Espy's patent conical ventilator. [Description of] James P. Espy. Wash...
Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 197, Folder 17.
![H. R. 234. January 27, 1836 ... A bill to provide compensation to James Barron for the use of his invention, called "A ventilator of ships." [Washington, 1836].](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4MzYvMDEvMDEvaC1yLTIzNC1qYW51YXJ5LTI3LTE4MzYtYS1iaWxsLXRvLXByb3ZpZGUtY29tcGVuc2F0aW9uLXRvLWphbWVzLWJhcnJvbi1mb3ItMTAyNC5qcGc%3D/40/64/webp "H. R. 234. January 27, 1836 ... A bill to provide compensation to James Barron for the use of his invention, called \"A ventilator of ships.\" [Washington, 1836].")
H. R. 234. January 27, 1836 ... A bill to provide compensation to Jame...
24th Congress 1st session. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 231, Folder 17a.
Crawford ventilators. Ventilator I
The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.
Kitchen range and homemade ventilator in trailer belonging to white mi...
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Crawford ventilators. Ventilator, Maryland Club Gardens
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Crawford ventilators. Ventilator, Maryland Club Gardens
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
New Britain, Connecticut. Hot cores under a cooling ventilator in the ...
Public domain photograph of Connecticut in 1930s, free to use, no copyright restrictions image - Picryl description
![H. R. 174. December 22, 1837 ... A bill to provide compensation to James Barron for the use of his invention called "A ventilator of ships." [Washington, 1837].](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4MzcvMDEvMDEvaC1yLTE3NC1kZWNlbWJlci0yMi0xODM3LWEtYmlsbC10by1wcm92aWRlLWNvbXBlbnNhdGlvbi10by1qYW1lcy1iYXJyb24tZm9yLTEwMjQuanBn/40/66/webp "H. R. 174. December 22, 1837 ... A bill to provide compensation to James Barron for the use of his invention called \"A ventilator of ships.\" [Washington, 1837].")
H. R. 174. December 22, 1837 ... A bill to provide compensation to Jam...
25th Congress, 2d session. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 231, Folder 17.
![H. R. 234. January 27, 1836 ... A bill to provide compensation to James Barron for the use of his invention, called "A ventilator of ships." [Washington, 1836].](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4MzYvMDEvMDEvaC1yLTIzNC1qYW51YXJ5LTI3LTE4MzYtYS1iaWxsLXRvLXByb3ZpZGUtY29tcGVuc2F0aW9uLXRvLWphbWVzLWJhcnJvbi1mb3ItMS0xMDI0LmpwZw%3D%3D/40/64/webp "H. R. 234. January 27, 1836 ... A bill to provide compensation to James Barron for the use of his invention, called \"A ventilator of ships.\" [Washington, 1836].")
H. R. 234. January 27, 1836 ... A bill to provide compensation to Jame...
24th Congress 1st session. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 231, Folder 17a.