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40 SECTION I. (c) Industrial (Cont.)
999 Electroplating To-day 1 Reel
(By courtesy of the British Electrodepositors Association) Tiie great modern industry that has grown up from the chemical process of electrolysis as applied to silver, nickel, and chromium plating, including use of electrodeposition for manufacture of gramophone records.
1711 The Romance of Stone 1 Reel
The story of Portland stone, from quarry to finished building. Blasting and digging ; transport ; final shaping and erection.
1716 In Search of Gold 1 Reel
E\'ery operation in gold mining is shown in detail — from the setting up of a mine to testing, ]xmning, etc.
2005 My Lady's Stockings 1 Reel
Pity the poor silkworm. He has a big job to make silk fast enough to keep the ladies in stockings. Beginning with the feeding and growth of the worms in Japan, the successive operations in the production of hundreds of thousands of pairs of fine silk stockings are shown.
3102 Bituminous Coal 1 Reel
The working days of a miner ; how the air in a mine is kept pure and clean. Coal is taken to a coke plant, where it is crushed, washed and burned in great beehive ovens and in the modern retort ovens.
3104 Sand and Clay 1 Reel In conjunction with "Limestone and Marble,"
this film gives an understanding of the "rocksoil" cycle in Nature, and of the commercial significance of minerals involved. Sand, glass and clay are considered.
3105 Limestone and Marble 1 Reel
Demonstrates the relationship between limestone, chalk and marble. Quarrying, carving and use of natural limestone, manufacture of artificial limestone (cement) and quarrying marble are shown.
3107 Wisconsin Dairies 1 Reel
Automatic milkers are shown, the milk being prepared for market. Clean milk bottles are filled and capped b}' automatic machiner\^ ; the milk is then shipped to the city in refrigerator and tank cars.
Older by numbers. I'VR PRICISS SLIS PA(JU 3