The Moving picture world (May 1922)

Record Details:

Title:
The Moving picture world
Date:
May 1922
Publisher:
New York : The World Photographic Publishing Company
Volume:
The Moving picture world
Leaf #:
000118
Language:
English
Subjects:
Motion pictures, Motion picture industry
Collection:
Early Cinema
Format:
Periodicals
Contributor:
California State Library
Sponsor:
California State Library Califa/LSTA Grant
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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MOVING PICTURE WORLD May 6, 1922 POWE,K*S MULTIPLE COIL RHE^OSTAT SUCCESSFULLY INTRODUCED 1921 BY THE MAKERS OF POWER'S PROJECTORS Weighs less than one-third of grid type rheostat. Easily moved by one man. Adjustments easily made by means of knife switches. Multiple Coil Units — One coil carrying five amps. — the balance ten amps each. The loss of one coil does not affect others. If entire capacity of rheostat is not being used a new coil may be immediately switched in. Coils may be replaced in a few minutes without difficulty. Small amperage carried by each coil (not more than ten amps.) allows use of small wires which permit perfect connections. Coils are special non-corrosive wire. Strong and exceedingly cool. POWER'S MULTIPLE COIL RHEOSTAT 115 VOLT, 45-75 AMPS. Weighs only llVz lbs. Also made up in the following sizes: 30-55 Ampers., 40-75 amps, ^20 Volt. 60-95 Ampers., 80-125 amps. I MCHOLAS POWER COMR IwCO^^O.* AT t D NrNBTV Gold St. New York, N .Y.