15711. Tin (17:05)

Date:
1930
Summary:
Shows opencast mining, sluicing, and bucket dredging in tin mines in the Malay States; tin as it is shipped to the United States; and the processes of making tin plate, tin cans for food containers; and various tin-base alloys.

15714. Canada Fishing Trip (10:18)

Date:
1929
Main contributors:
Heighway, George "Dixie"
Summary:
16mm ; black & white ; silent ; Kodak safety reversal

15715. Glass Blowing Technique (16:59)

Date:
1929
Summary:
Shows the correct procedure and manipulations for elementary glass blowing with Pyrex glass, the technique employed for joining tubes of unequal diameters, and the method of forming bulbs.

15717. From tree to newspaper (16:58)

Date:
1928
Summary:
Shows the steps involved in felling a tree, getting out logs, floating them to the pulp mill, making wood pulp, and making paper ready for printing in a newspaper plant. Also describes life in a logging camp. A silent teaching film.

15718. Purifying Water (16:04)

Date:
1928
Main contributors:
See Other Contributors
Summary:
Stresses the need for purifying water for the various uses of a community, and shows methods of aerating, filtrating, disinfecting, and testing a city's water supply. Illustrates the complexity of this aspects of defending the health of a city.

15720. String Trio, Op. 10 (21:01)

Date:
1928
Main contributors:
Józef Koffler (1896-1944)
Summary:
Performed by Jihyang Seo, Violin, Yenhsuan Lee, Viola, and Jordan Enzinger, Cello.