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MOGULL'S, Inc.— SCIENCE
No. of Reels
GLACIERS' SECRET. (Code: Throe) How the glacier is formed 1
OUR EARTH. (Code: Throne) A terrestial study 1
SCULPTURE OF THE LAND BY RIVERS. (Code: Throng) An erosion study showing the effect «f moving waters on the surface of the earth 1
SHORE LINE AND SHORE DEVELOPMENT. (Code: Thrush) Forces which shape the coast lines and the shores of lakes. How waves change the shore line . . 1 •
STRUCTURE OF THE EARTH, THE. (Code: Thrust) A fascinating and informative picture 1
VOLCANOES. (Code: Thud) The part played by volcanic activity in changing the surface of the earth. The mechanics of lava extrusion are shown in detail and emphasis is laid upon the varieties of eruption in actual scenes of the world's most prominent volcanoes 1
WORK OF UNDERGROUND WATER. (Code: Thug) A study of the geologic effect of underground water and the expression of rock on the surface. The method by which water dissolves mineral matter and the consequent formation of caves, sink-holes and natural bridges 1
ASTRONOMY
ALL ABOARD FOR THE MOON. (Code: Thrall) A trip to Luna in a rocket car 1
EARTH. (Code: Thread) A comprehensive lesson on the earth and its satellites 1
HEAVENLY BODIES. (Code: Threat) A study of the celestial universe 1
WORLD IN THE SKY. (Code: Thresh) An animated picture study of the planets 1
PHYSICS
COMPRESSED AIR. (Code: Toilet) The principles underlying compression and its practical application to the Bessemer Converter, air brake, air-driven tools and kindred industrial uses 1
ELECTRICAL MEASURING INSTRUMENTS. (Code: Toise) Their purpose and use 2
ELECTRICAL SCIENCE. (Code: Toison) Source and application of electroenergy 1
ELECTROMAGNETISM. (Code: Tokay) An exposition of its principles 2
ELECTROSTATICS. (Code: Token) An enlightening subject on electricity 1
MAGNETISM. (Code: Toll) A study of electricity 1
PRINCD7LES OF CURRENT ELECTRICITY. (Code: Tolu) Alternating and Direct Currents explained 2
PRINCIPLES OF CURRENT GENERATION. (Code: Tomb) 2
STUDIES IN SCIENCE. (Code: Valley) Invisible forces; magnetism and electrons; through the kaleidoscope. 1
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