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CLASS 3 — ^Popiilar Science, Useful Arts and Natural History 89
of Einstein, beg-inning with the definition of Relativity and then proceeding by very simple and well known examples, showing the Relativity of Motion, Direction, Size, Speed, Time and Measurements. These are illustrated both by animated diagrams and by ordinary cinematography, whichever best serves the purpose desired. No attempt is made to demonstrate the more advanced ideas in Einstein's Theory, but a fair working knowledge of the principles involved is clearly portrayed and easily understood.
784 feet— on 2 reels. Rental $2.50
3038 Code FAFOR The Fastest Thing on Four Legs Bray
The Whippet, or racing dog, is small, light and, when properly trained, is remarkably fast. He has been known to reach a speed of 35 miles per hour. Young dogs in the training kennels are kept keyed up by regular exercise and are cared for like race horses. We see them exercising to sweat off weight, and learn how the trainers throw them in for a good start in a race. 56 feet— on same reel with 7070, Felix Gets His Fill. Rental $1.00
3040 Code FAGA Foxhounds and St. Bernards Bray As spectators at a Fox Hunt we see a pack of blooded hounds in action,
and then have a closer view of several of the best dogs. A child comes by in a wagon drawn by a huge St. Bernard. Then we visit the kennels where the St. Bernards are raised, and see a large family of puppies lined up for inspection.
85 feet — on same reel with 1091, Swimmers and
Swimming. Rental $1.25.
3041 Code FAGE Chumming with the Animals Ditmars Showing a number of animals with special reference to their appetites
and methods of feeding. The first animal shown is the Pygmy Hippopotamus, followed by a bear being fed molasses from a spoon. Next we see the Fur Seals and are told that they can digest one-third of their weight in fish every day. Then a Mother Wolf with puppies and some close-ups of one of the wolf pups with an Airedale eating from the same dish. Then follow some animal stunts such as the Bison making his wallow of dust to free himself from vermin ; the Giraffe drinking, as an evidence that water can be made to run uphill; a Monkey apparently engaged in earnest conversation and some very beautiful little Flying Squirrels from the Antipodes. Among ultrararities is shown an Australian Marsupial Bear, who looks for all the world like one of our toy Teddy Bears. Next a pygmy elephant is shown and the comparison drawn with the ordinary species. One of the interesting scenes is of a thoroughly domesticated groundhog who assists the keeper in gathering papers left upon the lawn at the Zoo.
Taken altogether this is one of the most interesting zoological pictures in the Library, and the photogfraphy is particularly excellent.
390 feet. Rental $1.50
3042 Code FAGI Animal and Bird Life in Pillsbury
Yosemite National Park A Bear is shown up a tree and, being tempted with a ginger snap, goes through a good many movements in a rather precarious position. Finally he
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