18331. Perishable rush (13:48)

Date:
1945
Main contributors:
United States. Army Air Forces.
Summary:
Shows how the Army Air Forces during World War II flew wounded men from Pacific battle areas to hospitals and home towns in the United States. Uses a mix of actuality footage and fictional reenactm...

18332. Power bending conduit (17:10)

Date:
1945
Summary:
Shows how to assemble and operate a floor bender; how to assemble and operate a portable bender; how to make a 45-degree bend in a 3-inch conduit; how to make an offset in 1 1/2-inch conduit; and h...

18333. Prairie provinces of Canada (11:03)

Date:
1945
Main contributors:
Erpi Classroom Films Inc.; J. Russell Smith
Summary:
Orients the prairie provinces of Manitoba, Alberta, and Saskatchewan as part of the Dominion of Canada and in relation to the United States. Includes the northwest territories. Its major sequence ...

18334. Precision Gage Blocks (18:35)

Date:
1945
Summary:
Shows how to calculate a stack of gage blocks; how to clean and assemble blocks; the various uses of gage blocks in setting inspection gages; and how to store gage blocks when not in use.

18337. Principles of Gas-Filled Tubes (15:00)

Date:
1945
Summary:
Explains the theory of ionization applied to gas-filled tubes; the control of current in circuits employing gas-filled tubes; the use of the gas diode as a rectifier; the action of the grid in a ga...

18338. Principles of Gearing : An Introduction (18:45)

Date:
1945
Summary:
Explains and differentiates between friction gears and toothed gears, the law of gearing, positive driving, involute profiles, pressure angle, cycloid profiles, velocity rates, and circular pitch.

18339. Remember These Faces (17:54)

Date:
1945
Summary:
World War II film showing the horror of the Pacific war with extensive coverage of the care and treatment of the wounded. Created in support of the 7th War Loan drive, the film encourages the gener...

18340. Repulsion induction motor general overhaul (24:52)

Date:
1945
Summary:
Shows how to check a repulsion-induction motor for electrical and mechanical faults; how to dismantle a repulsion-induction motor; how to clean and plug the commutator; how to turn the commutator; ...