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INDUSTRY AND ENGINEERING
"1000 and One"
GROUP 69 ( Continued) Power, Mechanical and Electrical
Industrial Power (1) Various operations of tractors with special equipment
in municipal and industrial use. (72)
Mexican Powerhouse (1) Huge dam and powerhouse supplying interior Mexico. Uses to which power is put. (XX)
The Modern Goliath; or The Story of Heavy Excavating Machinery (4) Self-explanatory. (142)
Power Transformers (2) Their development and manufacture. (X)
Power (3) Development of power from the earliest uses of steam to the great power stations of today. (XXX) ***The Progress of Power (1) Mechanical power serving America's industries and municipalities. (XXX, 72)
Story of Power (3) Shows early development of the steam engine, modern uses of electricity, and by animated photography, the working of a steam turbine. (14 2)
Squeaks (1) Story showing importance of lubrication from earliest days to the present. Early davs treated in cartoon form. (14, 14 9)
The Story of Rock Drilling (2) The title tells it. (142)
Story of Water Power (2) Primitive methods of utilizing energy of falling water; animated photography shows how tremendous power of Niagara is changed into electrical energy. Many modern uses of electricity in industry and in homes. (14 2)
***Super Power Generation (1) Latest methods and most modern power .plant equipment. (153)
Harnessing the Waves (1/4) Utilizing backward sweep of ocean waves to provide power to operate dynamo for charging storage batteries. (22) ** Volta's Discovery (1) Interesting information on evolution of electrical current. (14, 149)
White Coal (2) Story of electricity as developed from the snowflake. Animated drawings show how it is generated at Niagara Falls. (XXTX)
Why a Magneto (2) Physical and mechanical principles. (XXX )
(See also Groups 67-8)
Wholesome Films Service, Inc.
Specialists in Selected Film Service for Church, School, Club,.Y. M. C. A., Home and Community Center.
We have the most complete library in New England on saftev non-inflammable stock being the exclusive distributors for the SPIRO FILM CORP. (Urban Subjects) BURTON HOLMES TRAVELOGUES, and the GENERAL VISION LIBRARY including a series of 26 reels on the HOLY BIBLE.
We prepare and outline programs for each individual group need and correlate with Standard Text Courses in Geography, History, Literature, General Science, Biology,
Civics, and Americanization.
Motion Picture Projectors and Equipment for sale or rent. NEW ENGLAND'S PIONEER IN THE NON-THEATRICAL FIELD 42 Melrose Street Boston, Mass.