Director: A. H. Luff
Opens with brief description of how ball bearings are made and tested. Includes unusual sequences taken at 2500 exposures per second of a ball-crusher testing three balls to destruction. Remainder describes the process of manufacture of grease.
Typical example of a recent German teaching film, designed for university level. Detailed close-up views of the methods used by the spider, showing the technique of "spot- welding" individual strands… More »
Deals with wild life of Macquarie Island, 900 miles to the south of Tasmania. Features plants, birds, and mammals which derive a livelihood from the stormy wastes of the south polar and sub-polar reg… More »
Unusual example of a research film. Makes use of polarized light techniques and time- lapse microphotography to study the growth process of various crystals. ... More »
General discussion of venomous snakes. By means of diagrams and pictures of living snakes, describes their classification and characteristics, the venoms and their effects, and the treatment of snake… More »
Demonstrates various applications of scientific cinematography in the field of astronomy. First part shows records of solar and lunar eclipses. Second part shows Lyot's monochromatic filter and the r… More »