Explains that all sound originates in vibrating objects and illustrates the three general types of vibrating sound sources. Describes the major characteristics of sound waves …

Illustrates the cultivation, growth, harvesting and weaving of flax into various designs of linen. Talks about Ireland, one of the main sources of flax.

A young lady espouses the knowledge she gained in her home economics course (grooming, posture, diet) that have resulted in her having what her boyfriend …

Describes a journey from a large city to the country on a streamline train. Shows duties of many of the people who work in the …

Self-appraisal, occupational possibilities, preparation requirements and various guidance facilities are discussed. MS - Hand points out ads in employment section of newspaper. MS - Guidance counselor addresses …

1940s, b&w,Illustrates the four points of a balanced dental hygiene program. Stresses proper nutrition, exercise of the teeth and gums, correct use of the …

late 1930s/early 1940s, BW, Deals with prophylaxis, diagnosis and clinical treatment of syphilis. Discusses follow-up treatment, sources of infection and community control.

B&W, 1950s.Educational on how “”housewife”” can shop economically. Covers impulse buying, bulk buying and culinary skills in dressing up cheap meat and making nutritious and …

B&W, late 1940s-early 1950s, Provides a behind-the-scenes look at a commercial airline–reservations, sales, flight crew, ground servicing and airport personnel. Outlines the qualifications of …

B&W, 1940s-early 1950s. WS 1947 high school w/ large overhanging tree across street. CU Sign: 850,000 PEOPLE EMPLOYED AS BOOKKEEPERS, ACCOUNTANTS AND CASHIERS. MS High school hall …