Public domain
Conversion. Farm implements to cargo winches. Making a vernier caliper measurement of a tooth on a cargo winch gear in a converted Midwest farm implement plant. The hobbing machine used in this operation formerly cut bull gears for plow tractors
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConversion. Farm implements to cargo winches. Making a vernier caliper measurement of a tooth on a cargo winch gear in a converted Midwest farm implement plant. The hobbing machine used in this operat. 1942-01-01. Richie, Robert Yarnall, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Close-up showing bracing arrangement on gear cutter. Giant arms holding gear in place are changed to adjust the rotating gear to the cutting mechanism. The job takes three to six weeks of day and night operation for completion. This is one of many highly specialized big precision jobs the converted
Production. B-24E (Liberator) bombers at Willow Run. Installing one of the four engines of a new B-24E (Liberator) bomber on one of the assembly lines of Ford's big Willow Run plant. The Liberator is capable of operation at high altitudes and over great ranges on precision bombing missions. It has p
On the jeep production line. An incline press in a big automobile plant stamps out body parts for the versatile little army car. Assembly plants throughout the country finish the job. Ford Lincoln plant, Michigan
Herbert Rudolph James, machinist, Shell Finish Department, National Tube Company, McKeesport, Pennsylvania, has been awarded a Certificate of Individual Production Merit. Mr. James is by profession a musician--organist and conductor. At his suggestion a mechanism was incorporated into the torch wher
Production. B-25 "Billy Mitchell" bombers. Wright Whirlwind engines for a B-25 bomber receives a final check-up before moving to the final assembly floor at North American's Inglewood, California, plant. In addition to the battle-tested B-25 "Billy Mitchell" bomber, used in General Doolittle's raid
Conversion. Farm implements to cargo winches. Hobbing five bull gears simultaneously for a plow tractor prior to the conversion of a Midwestern farm implement manufacturer. The machine has since been adapted to cutting gears for cargo winches for the Maritime Commission