Equipment; Irrigation; Irrigation canals & flumes; Relocation camps; Forced migration; Japanese Americans -- Evacuation and relocation, 1942-1945; World War II, 1939-1945 -- Japanese Americans
Photograph shows evacuees working on an irrigation ditch. Evacuees are using shovels and pickaxes to work.
Scientific apparatus and instruments; Simple machines; Archimedean screw
A simple mechanical device credited to Archimedes. When the lower end of the screw is placed in water, turning the device raises water to the top. This principle has various applications for drainage and irrigation, but the instrument can also be...
Scientific apparatus and instruments; Santa Clara University (Calif.); Simple machines; Archimedean screw
A simple mechanical device credited to Archimedes. When the lower end of the screw is placed in water, turning the device raises water to the top. This principle has various applications for drainage and irrigation, but the instrument can also be...
