Educational film catalog (1936)

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EDUCATIONAL FILM CATALOG 581-583 Plant life. (Harvard univ. natural science ser.) llmin 16-sd-$50 35-sd-nf-$100 1931 Harvard 581 "Presents the chief functions of plant parts, illustrated by means of experiments and animated diagrams. The first part of the film shows the life properties of a plant—food intake, digestion, waste dis- posal, respiration, photosynthesis, repro- duction and growth, and irritability. Then comes a review of plant forms—the algae, fungi, mosses, ferns, conifers, monocots, and dicots. Next, the fundamental organs of a plant are taken up, and finally, by means of experiments and diagrams, the functions of these parts are . . . dem- onstrated." Producer sh Queer diet. (Natural history ser.) lOmin 16-sd-apply 35-sd-f-apply Gaumont British 581 "A study of how plants obtain the ele- ments necessary for their existence." Pro- ducer Guide Roots. (Natural history ser.) 12min 16-sd- apply 35-sd-f-apply Gaumont British 581 Details of the processes of the growth of roots are shown in this film Guide Roots of plants. lOmin 16-sd-$50 3S-sd-nf- $100 1931 Erpi 581 "The various forms of plant roots are first presented. Then time-lapse and micro-photography are employed frequent- ly in the remainder of the picture to bring out the interesting processes of growth, structure and other characteris- tics. The functions of the root-cap and the root-hairs are . . . presented. An experiment in osmosis is demonstrated and . . . explained, followed by an animation of water absorption by the roots." Pro- ducer jh-sh Guide Seed dispersal. $100 1931 lOmin 16-sd-$50 35-sd-nf- Erpi 581 "Ways by which seeds of plants are scattered in order to insure the propaga- tion of the species. The methods illustra- ted include dispersal by the wind, trans- portation by animals, and forceful pro- pulsion from the seed-case. . . Time-lapse photography. . . Germination of seeds under various conditions. The struggle for survival in the plant world." Producer Jh-sh-c Guide Seeds and seedlings. 7min 16-si-$20 35-si- nf-$30 1920? Scientific film 581 Produced by Charles F. Herm "Botanical observation Illustrating the transformation of seeds to seedlings—bean plants, seeds, etc." Iowa state college Jh-sh Time-lapse studies of plant gfowth. IR 16-si-loan 35-si-nf-loan 1933 U.S. agric. 581 An Extension service film Flowers opening and seeds germinating. Growth and action not normally visible are shown by time-lapse photography 58J.5 Carnivorous and insectivorous plants Carnivorous plants. 5min 16-si-$5.57 35-si- f-nf-apply Bray 581.5 How insect-eating plants obtain their prey Plant traps. lOmin 16-sd-$50 35-sd-nf-$100 1931 Erpi 581.5 "Carnivorous plants have the unusual characteristics of entrapping and digesting insects and other small animals. The film shows how the pitcher plant lures insects to its trap, where they drown. The sun- dew, another carnivorous plant, is shown throughout its life cycle. The enfolding of insects by its leaf tentacles is presented ... by means of time-lapse photography." Producer jh-sh Guide 583 Flowers Aristocrats of the flower world. 5min 16- si-$6.48 35-si-f-nf-apply Bray 583 "Study of orchids; their origin, propaga- tion, and method of obtaining food and water." Producer Dodder. lOmin 16-sd-$S0 35-sd-nf-$100 1931 Erpi 583 "Entire life story of the dodder, one of the best known of the group of parasitic flowering plants, is shown by means of time-lapse photography, accompanied by an explanatory narrative. Among the more impressive features is the presenta- tion of the dodder twining about the host plant. Animation aids in revealing details in the structure and operation of the suckers. The destructive character of this plant is demonstrated, as well as the beauty of the flowers." Producer el-Jh-sh Guide Evening primrose, mariposa tulip, Wash- ington lily, hen and chickens, and others. 14R 16-si-$7.50 Bell & Howell 583 Produced by Arthur C. Pillsbury Growth of these flowers shown by time- lapse photography Flower life in Yosemite national park. IR 16-si-rent $1.25 Kodascope 583 By Arthur C. Pillsbury "The following flowers are featured: Knotwood, Thistle, Tidy Tip, Johnny Jump Up, Mariposa Tulip, Hen and Chickens, Dog Tooth Violet, Prickly Poppy, Monkey Flowers, Fire Weed, Snow Plant (sevemi varieties). Blue Lilacs, White Lilacs, Snow Drops, California Poppy and Milkweed." Distributor Beautiful pictures of flowers growing in the fields and also close-ups showing the gradual expansion and opening of flowers Flowers. 7min 16-si-$20 35-si-nf-$30 1920 Scientific film 583 Produced by Charles F. Herm A visualization of the characteristic va- riation of forms and structure among garden flowers by time-lapse photography. In tint and tone Jh-sh Flowers at work. lOmin 16-sd-$50 3S-sd- nf-$100 1931 Erpi 583 Animation and time-lapse photography show the parts and the physiology of flow- ers, types of flowers and methods of pol- «i-silent; sd-sound; f - inflammable; nf - safety; el - elementary; Jh - junior high; sh - senior high; c • college 19