Photograph of an inspection room for engines and other aircraft parts at the Sacramento Air Depot, California, March 20, 1940. Signs denote workrooms for carburetors, magnetos, starters, and ignition generators.
Inscription: "Engine tear down &…
Photograph of Martin B-10/B-12 aircraft undergoing disassembly, cleaning, and repair at the Sacramento Air Depot, California, March 20, 1940.
Inscription: "Dissassembly [disassembly] & cleaning & fuselage repair. Eng. Dept. S.A.D.…
Photograph of Martin B-10/B-12 aircraft undergoing disassembly and repair at the Sacramento Air Depot, California, circa, 1940s.
Inscription on verso: "S.A.D. circa 1940. Martin B-10 rework."
Photograph of the machine shop at the Sacramento Air Depot, California, March 20, 1940. Several people work on engines and other aircraft parts.
Inscription: "Machine shop. Eng. Dept. S.A.D. 3-20-40. S.A.D. 40-115."
Photograph of a work area at the Sacramento Air Depot, California, March 20, 1940. Several people work on sheet metal components for aircraft.
Inscription: "Sheet metal – tanks & welding. Eng. Dept. S.A.D. 3-20-40."
Photograph of a work area for aircraft engine subassembly at the Sacramento Air Depot, California, March 20, 1940.
Inscription: "Engine sub-assemblies. Eng. Dept. S.A.D. 3-20-40."
Photograph of Martin B-10/B-12 aircraft being assembled at the Sacramento Air Depot, California, circa, 1940s.
Inscription on verso: "S.A.D. (S_ Air Depot). B-10 bomber assy [assembly]. Circa 1940."
Photograph of a work area for the Photostat and blueprint drafting section at the Sacramento Air Depot, California, March 20, 1940. Two men work with the drafting equipment.
Inscription: "Photostat & blueprint drafting section. Eng. Dept. S.A.D.…
Photograph of men working on aircraft ignitions-starters and generators at the Sacramento Air Depot, California, March 20, 1940.
Inscription: "Ignition-starters and [generators]. Eng. Dept. S.A.D. 3-20[-40]. S.A.D. 40-114."
Photograph of military personnel using tethers and handholds to maneuver the USS Shenandoah (ZR-1) airship at the 1923 Pulitzer Air Race in St. Louis, Missouri, October 1923. A man with a camera stands in the foreground. Inscription: "11147…