Photograph of Department of Public Works employees and a policeman using surveying equipment to perform precise chaining, ca.1900. In the foreground, twomen attend to a tripod that is centered over a circle on the street. Farther down the street, two more men hold a pole, while two more still farther in the distance attend a second tripod. Between the foremost men and the second set, a police officer and an additonal man stand.; Legible sign from left to right read: "Y[...]meter Corp", "Hughes [P]aint Co", "Oil" and "Motor Oils and Greases"
Photograph of a Department of Public Works surveyor's assistant holding an instrument and standing b...
Photographic portrait of five Department of Public Works employees, [s.d.]. All of the men wear suit...
Photograph of a Department of Public Works employee using some sort of street maintencance machine, ...
Photograph of Department of Public Works employees using a Parsons Trenching Machine during road con...
Photograph of workers from the Department of Public Works cleaning a sewer using a portable Barnes p...
Photograph of Department of Public Works workers digging next to railroad tracks, ca.1900. At center...
Photograph of Department of Public Works surveyors scaling a small lookout tower, 1930-1939. At cent...
Photograph of Los Angeles Department of Public Works surveyors at work, 1930-1939. The surveyors are...
Photograph of a detail shot of a Department of Public Works road roughness recorder, ca.1940. At cen...
Photograph of a view of police investigating an illegal still, showing distillery equipment, ca.1920...
Photograph of a construction site with officials, ca.1935. A large piece of construction machinery s...
Photograph of two unidentified workers lowering chains in a factory, ca.1930. Two men lower a length...
Photograph of men surveying on a street corner, ca.1930. Three men stand to the right of center on t...
Partial photograph of the Motorcycle Patrol Unit of 1922. The photograph was taken on a street with ...
Photograph of Afro-American and Caucasian employees for the Bureau of Standards and Sewer Maintenanc...
Photograph of a Department of Public Works surveyor's assistant holding an instrument and standing b...
Photographic portrait of five Department of Public Works employees, [s.d.]. All of the men wear suit...
Photograph of a Department of Public Works employee using some sort of street maintencance machine, ...
Photograph of Department of Public Works employees using a Parsons Trenching Machine during road con...
Photograph of workers from the Department of Public Works cleaning a sewer using a portable Barnes p...
Photograph of Department of Public Works workers digging next to railroad tracks, ca.1900. At center...
Photograph of Department of Public Works surveyors scaling a small lookout tower, 1930-1939. At cent...
Photograph of Los Angeles Department of Public Works surveyors at work, 1930-1939. The surveyors are...
Photograph of a detail shot of a Department of Public Works road roughness recorder, ca.1940. At cen...
Photograph of a view of police investigating an illegal still, showing distillery equipment, ca.1920...
Photograph of a construction site with officials, ca.1935. A large piece of construction machinery s...
Photograph of two unidentified workers lowering chains in a factory, ca.1930. Two men lower a length...
Photograph of men surveying on a street corner, ca.1930. Three men stand to the right of center on t...
Partial photograph of the Motorcycle Patrol Unit of 1922. The photograph was taken on a street with ...
Photograph of Afro-American and Caucasian employees for the Bureau of Standards and Sewer Maintenanc...
Photograph of a Department of Public Works surveyor's assistant holding an instrument and standing b...
Photographic portrait of five Department of Public Works employees, [s.d.]. All of the men wear suit...
Photograph of a Department of Public Works employee using some sort of street maintencance machine, ...