15991. 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...

15992. 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...

15994. 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.

15995. 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...

15996. 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 ...

15997. 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...

15998. The Molding and Nature of the Shore (29:24)

Date:
1959
Summary:
Shows a variety of beaches and headlands, their contours, and evidence of a continuing interaction between land and water. Uses film sequences, photographs and demonstrations to illustrate the caus...

15999. The monkeys and the hats (15:10)

Date:
1958
Summary:
Rico, whose mother sews hats for a living takes some hats to the fair to be sold. On the way, he stops for lunch and two monkeys who have run away from the circus start to play with his hats. After...

16000. The months before birth. [The birth of the baby] (29:19)

Alternative title:
Birth of the baby; Months before birth
Date:
1956
Main contributors:
See Other Contributors
Summary:
Explains the stages of labor, distinguishing between false and real labor, and uses charts to show the position and development of a full-term baby. The episode follows an expectant mother from her...