16031. The mental hospital volunteer : someone who cares (28:24)

Alternative title:
Someone who cares
Date:
1955
Summary:
Depicts the role and influence of the mental hospital volunteer in the lives of hospitalized mental patients. Alludes to the scope of the problem of mental illness, and describes some of the undes...

16033. The micrometer (15:19)

Date:
1941
Summary:
Shows various types of micrometers; how to use a micrometer, read the barrel and thimble scales, check the accuracy of readings, and take care of the instrument.

16034. The middle months of pregnancy (29:09)

Date:
unknown
Summary:
Discusses such topics as superstitions about birth marks and deformities, how to relieve morning sickness, changes in clothing, and how to relax and rest. Contains suggestions for relieving constip...

16035. The middle states (10:57)

Date:
1942
Main contributors:
Erpi Classroom Films, Inc.; Howard W. Odum
Summary:
Presents an overview of man's use of resources in the states of Minnesota, Iowa, Missouri, Illinois, Wisconsin, Michigan, Indiana, and Ohio. Domestic and European migration and population trends of...

16037. The milling machine (07:30)

Date:
1941
Summary:
Indicates the basic principle of the standard plain milling machine. Each part of the machine is named and explained, and some elementary setups are demonstrated.

16038. The Minerals of Life (29:31)

Date:
1960
Summary:
In addition to organic elements, living beings are necessarily composed also of inorganic elements such as calcium, iron and cooper. This program analyzes the ways in which these inorganic substanc...

16039. The missing city gates (29:54)

Date:
1957
Summary:
Reports on excavations concluded at Nimrud, Iraq. Emphasizes the bronze gates, now in the British Museum, that were originally located in Balavat, near Nimrud. Points out that recent discoveries ...

16040. The missing elements (29:20)

Date:
1956
Summary:
Discusses the discovery of three elements predicted by Mendeleev. Demonstrates and explains the use of the spectroscope and of other methods in isolating elements. Revises Mendeleev's Periodic Tab...