13918. Airscrew (21:07)

Date:
1940
Main contributors:
Tharp, Grahame, 1912-
Summary:
This short nonfiction film depicts the intensive testing that goes into developing and producing aircraft propellers. It opens with the whirring or propeller blades. Animated diagrams show how the ...

13919. Alaska's silver millions (30:55)

Date:
1936
Summary:
This informative short film narrated by Father Bernard Hubbard 'The Glacier Priest' shows in detail the large and lucrative salmon fishing industry in Alaska, from the catching of the fish to their...

13920. Alice in Numberland (14:22)

Date:
1962
Summary:
A fantasy which shows the housewife that the farmer, the processor, the transporter, and the retailer must know "how much" and "how many" before they can make foods and other products available to ...