Testing

On the left of the screen, a small group of men lift the top off of what appears to be a turbine with a crane and continue to check the machine, tightening various parts with wrenches. On the right side, a few More

A small group of men turn on what appears to be a generator. As the rotary spins, the men make adjustments to the machine and check its operations.

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.

Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Public domain photograph of aircraft hangar, free to use, no copyright restrictions image - Picryl description

Title from unverified data provided by the National Photo Company on the negatives or negative sleeves. Date from caption list. Caption from caption list: Activities on the Internal Revenue Bureau to enforce pr More

Title from unverified data provided by the National Photo Company on the negatives or negative sleeves. Date from caption list. Caption from caption list: Chemist G. G. Beyer, of the Internal Revenue Bureau, ma More

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Title from unverified data provided by the National Photo Company on the negatives or negative sleeves. Date from negatives in same range. Caption from caption list: Chemist G. F. Beyer of the Internal Revenue More

Survey number: HAER NV-33-D Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Unprocessed Field note material exists for this structure: N702 Survey number: HAER CA-163-BB

Poster for Federal Works Agency WPA Massachusetts Art Project exhibit at the Fogg Art Museum, showing paint samples being tested in a laboratory. Date stamped on verso: May 21 1940. Work Projects Administration More

Survey number: HAER NV-33-B Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-32-C Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-32-D Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER MA-20-D Building/structure dates: 1865 Initial Construction

Survey number: HAER NV-30-C Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-30-B Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-32-B Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-33-C Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Unprocessed Field note material exists for this structure: N699 Survey number: HAER CA-163-Y

Significance: Constructed for the world's Columbian Exposition, in Chicago, in 1893. It was then donated to the Alden Research Laboratory where it served for many years as a standard for the calibration of oth More

Unprocessed Field note material exists for this structure: N701 Survey number: HAER CA-163-AA

Survey number: HAER MA-20-P Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER CA-163-II Public domain photograph related to NASA Space Program, free to use, no copyright restrictions image - Picryl description

Survey number: HAER MA-20-J Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description

Survey number: HAER NV-32-E Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Unprocessed Field note material exists for this structure: N693 Survey number: HAER CA-163-S

Unprocessed Field note material exists for this structure: N698 Survey number: HAER CA-163-X

Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Significance: Winchester, perhaps the world's largest sporting arms ammunition manufacturer by World War I with a sporting rifle product line, entered large-scale military production in 1914 with British, Belgi More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.

At head of title: ... Department of the Interior. Franklin K. Lane, secretary. Bureau of Mines. Van H. Manning, director. First edition. May 1916. Reprint. July 1918. cf. verso of t.-p. "Publications on fuel te More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col More

Also available in digital form.