341. Princess and the dragon (08:22)

Date:
1949
Summary:
Dramatizes the story of the cobbler's helper who slays the dragon and wins the princess. Puppets photographed with stop motion technique.

342. Principles of endocrine activity (15:23)

Date:
1960
Summary:
Discusses the human endocrine system, including the better-known glands and how they affect the body. Highlights the difficulties involved in studying the endocrine system in humans and describes modern research methods using invertebrates.

343. Profile of a champion (27:54)

Date:
1970
Summary:
Presents a profile of a winner of an Indianapolis "500" race, with highlights of the 1970 race. Interwoven are sequences stressing safe driving on and off the track.

344. Protoplasm : the stuff of life (29:09)

Date:
1956
Summary:
In this program the audience hears a review and summary of all the information on the physical and chemical nature of living material discussed in previous programs. Dr. Roney uses sketch pad diagrams and models to picture the structure and organizations of living material, as it is understood today.

345. Pueblitos de Mexico (10:06)

Date:
1962
Summary:
Vignettes of everyday life and events in two indigenous Mexican villages provide breadth of subject-matter for vocabulary exercise. Sentences of the Spanish narration are nearly all declarative, and in the present indicative. For second semester Spanish students.

346. Quadrilaterals (12:51)

Date:
1944
Summary:
Illustrates and explains the chief properties of the important quadrilaterals such as the parallelogram, rectangle, rhombus, square, trapezoid, and trapezium.

347. Radio and television (11:29)

Date:
1940
Summary:
Indicates the preparation necessary for entrance into radio work, stressing a strong foundation in science and mathematics. The development of personality and a cultural background is stressed. Gives an overview of radio and its present importance and the application of radio principles to public address systems, sound reproduction, and television.

348. RAF and 8th Air Force report from Britain (06:59)

Date:
1944
Summary:
"Includes a report from Britain showing the RAF and the 8th Air Force on a hedgehopping bomber flight over France and Germany, and the 5th Air Force report from New Guinea." ("News and Notes," Educational Screen, June, 1944, 266.) Shows a film clip claiming to be an "Official German Newsreel," with footage of American planes that have been shot down and have crashed onto German soil. Shows how Germans salvage metal from these American aircraft to use for their own war effort and explains that each crashed plane is indicative of loss of soldiers' lives. Ends with a message from General Eisenhower asking the American people to support the Fifth War Loan Drive.

349. Rafael Mendez, the trumpet (27:16)

Date:
1955
Summary:
Introduces Rafael Mendez, who plays several selections on his trumpet and discusses his instrument and playing technique. Includes an orchestral accompaniment. Ends with Mendez and his twin sons playing an original composition.

350. Railroad rhythms (10:25)

Date:
1954
Summary:
Records the activities and sounds in a freight yard upon the arrival of a freight train. Portrays a turntable in operation, a steam locomotive in a roundhouse for servicing, a diesel engine moving through an automatic washer, and the reassembling of cars into a new train. A recording of the film-sound and music accompanies the film.