161. Molding a horizontal cored part (21:54)

Date:
1945
Summary:
Use of a horizontal core, a split pattern, chaplets, and chaplet supports; how to gate a mold for rapid pouring of a thin casting; and how to clean a casting.

162. Crayfish anatomy (11:14)

Date:
1961
Main contributors:
Indiana University. Audio-Visual Center
Summary:
Shows the external anatomy of a living crayfish and using a freshly anesthetized specimen points out its internal anatomy by systems. Presents its hard exoskeleton, body divisions, and the jointed nature of its appendages. The exoskeleton is removed from an anesthetized crayfish showing its beating heart and abdominal muscles. Blood circulation is traced and specific structures involved are identified. The reproductive systems of male and female crayfish are shown and the paths of sperm and eggs are traced. The path of food through the digestive system is discussed as the function of each organ involved is explained. The green glands and excretory system are pointed out along with the brain and nervous system.

163. County and community recreation in action (29:09)

Date:
1951
Summary:
Presents the case histories of three county-wide recreation programs in Indiana as observed by an interested group. Outlines the various arrangements of financing a recreation program, shows the many reasons why trained leadership is necessary, discusses the benefits of organized recreation to the people participating and to the community as a whole, and pictures a wide variety of activities for all ages, interests, and seasons.

164. Chucky Lou - Story of a Woodchuck (10:10)

Date:
1948
Main contributors:
Indiana U Audio-Visual Center
Summary:
[motion picture] Tells the story of a woodchuck which was taken to a state park to live and now entertains the park visitors by performing tricks. Shows the woodchuck's appearance, size, natural habitat, food, habits, and adjustment to captivity.

165. Installing surface metal raceway (21:15)

Date:
1945
Summary:
Shows how to plan the job; how to use molding raceway fittings; how to install a molding raceway run to a ceiling outlet; how to install a run from a ceiling outlet to a wall switch; how to install a run from a ceiling outlet to a wall fan; and how to install a run to a floor outlet.

166. Installing Conduit (24:28)

Date:
1945
Summary:
Shows how to plan the job; how to bend electrical metallic tubing; how to install the metallic tubing runs; how to bend rigid conduit; how to install rigid conduit runs; and how to use flexible conduit.

167. 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; how to remove a damaged sleeve bearing; how to ream to size and install a new sleeve bearing; how to remove a damaged coil and wind and insulate a new coil; and how to assemble and lubricate a repulsion-induction motor.

168. Roughing-in non-metallic sheathed cable (24:02)

Date:
1945
Summary:
Shows how to plan the installation of the circuit run, switch run, and wall receptacle run; how to determine the location of required runs; how to install an offset bar hanger and ceiling outlet box; how to rough-in a circuit run, using nonmetallic sheathed cable; and how to make up connections for switches, receptacles, and fixtures.

169. Soldering lugs and splicing stranded conductors (17:57)

Date:
1945
Summary:
Shows how to solder a lug, using electric soldering tongs; how to solder a lug, using a blowtorch; how to solder a lug, using a solder pot and ladle; how to splice stranded conductors, using a split solder sleeve; and how to make a served cable splice.

170. Patagonian Playground (09:33)

Date:
1942
Main contributors:
United States. Office of the Coordinator of Inter-American Affairs
Summary:
Using color photography, this travelogue transports viewers in the U.S. to the exotic locale of Nahuel Huapi National Park, in the Argentine Andes. Showing the stifling mid-summer heat of Buenos Aires in January, the narrator explains city-dwellers' desire to escape to the cool, clean air of the mountains. The camera follows a group of young Argentines as they hike in the mountains, play with a herd of dairy cows, pick wild strawberries and prepare their yerba mate. Striking landscape photography shows glaciers, waterfalls, and captures an avalanche as it occurs. As with all Coordinator of Inter-American Affairs films, affinity between the nations of the Americas is encouraged by presenting foreign places to domestic audiences in an appealing, humanizing light.