13861. Gage blocks and accessories (22:05)

Date:
1945
Main contributors:
Division of Visual Aids, U.S. Office of Education (Producer), Federal Security Agency (Producer), Ray-Bell Films, Inc. (Producer)
Summary:
Explains why accessories are used with gage blocks; shows how to inspect a plug gage, an adjustable snap gage, a profile gage, a ring gage, and a screwthread pitch; and shows how to build a height gage and scriber.

13863. [Overs "Grand Canyon"] (08:51)

Date:
unknown/unknown
Main contributors:
Unknown
Summary:
Silent footage of a man and a women as they observe the Grand Canyon. Shows different views and perspectives from inside Grand Canyon National Park.

13864. [Stearman outs & trims final editing] (01:57)

Date:
1972
Main contributors:
Unknown
Summary:
Footage of a Stearman taking off and performing stunt tricks. At different points, the camera is placed on the aircraft filming from the perspective of the pilot. Filmed in June 1972.

13868. [Let's fly aerobatics - eco original, roll 2] (11:31)

Date:
unknown/unknown
Main contributors:
Unknown
Summary:
Footage of a pilot taking off, shot from inside the aircraft. The camera is positioned on the front of the plane, looking back at the pilot. After doing several stunt tricks in the air, he also demonstrates landing.

13869. [Let's fly aerobatics, color W/P normal] (02:32)

Date:
unknown/unknown
Main contributors:
Unknown
Summary:
Shows an aircraft taking off and doing stunt tricks in the air. Also includes footage of corn being harvested from a farmer's crop field.