A few nice rapid machining China services images I found:
Bulgaria — rapid fire guns (LOC)
Image by The Library of Congress
Bain News Service,, publisher.
Bulgaria — rapid fire guns
[between ca. 1910 and ca. 1915]
1 negative : glass ; 5 x 7 in. or smaller.
Notes:
Title from unverified data provided by the Bain News Service on the negatives or caption cards.
Forms part of: George Grantham Bain Collection (Library of Congress).
Format: Glass negatives.
Rights Info: No known restrictions on publication.
Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
General information about the Bain Collection is available at hdl.loc.gov/loc.pnp/pp.ggbain
Higher resolution image is available (Persistent URL): hdl.loc.gov/loc.pnp/ggbain.18658
Call Number: LC-B2- 3415-3
Russian Rapid firers taken by Germans (LOC)
Image by The Library of Congress
Bain News Service,, publisher.
Russian Rapid firers taken by Germans
[between ca. 1914 and ca. 1915]
1 negative : glass ; 5 x 7 in. or smaller.
Notes:
Neg. broken.
Title from data provided by the Bain News Service on the negative.
Photograph shows Russian machine guns captured by German forces during World War I. (Source: Flickr Commons project, 2011)
Forms part of: George Grantham Bain Collection (Library of Congress).
Subjects:
World War, 1914-1918.
Format: Glass negatives.
Rights Info: No known restrictions on publication.
Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
General information about the Bain Collection is available at hdl.loc.gov/loc.pnp/pp.ggbain
Higher resolution image is available (Persistent URL): hdl.loc.gov/loc.pnp/ggbain.18039
Call Number: LC-B2- 3326-12