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Page 30
PROJECTION ENGINEERING
ask the fellow who owns one! ••••••• hell tell you
BBE|
■ .■•■;. •■.■■
Every PERFECTION RHEOSTAT has satisfied its owner. Breakdowns, service-calls and trouble are unknown to Perfection users.
THE ONLY UNION MADE RHEOSTAT
Recognized £ Standard
s the Highest everywhere.
Now equipped with solderless, adjustable lugs to take wire sizes from No. 4 to 4/0 without any additional cost.
We build rheostats for special requirements. Com municate with us Direct. There is no obligation.
Sold by all Branches of National Theatre Supply Co., Sam Kaplan, New York, Continental Theatre Accessories, and by your dealer.
HOFFMANN-SOONS
Electrical and Engineering Corporation
387 FIRST AVENUE, NEW YORK
Contracting Electrical Engineers — Moving Picture
Theatre Electrical Specialists
MILES MICROPHONES
"DELIVER THE GOODS"
Type M303 pictured at the left is a heavy duty concert twobutton model for speech rad music. We manufacture complete equipment for every branch of Sound engineering. Let us send you our catalog B without obligation.
MILES REPRODUCER CO.
26 EAST 22nd ST. NEW YORK
BASS BARGAINGRAM
Issue 202 Ready
FREE! The Classic of Bargain Lists. World's largest stock of. Motion Picture Cameras and accessories. Professional and Amateur. Save real money. Send for your copy. Free!
BASS CAMERA CO.
179 W. Madison St. Chicago, III.
WE
offer to manufactuxers interested in
EXPORT
tne services of a. dependable organization, well established in tne entire foreign field
AD. AUMEMA, Inc.
Manufacturers' Export Managers
116 Broad Street, New York, N. Y.
You are cordially invited to drop in at the Projection Engineering booth at the New York Radio Electrical Exposition, Sept. 21 to Sept. 26
SELL PORTABLE TALKIE SOUND-ON-FILM
To Theatres, Schools, Churches, Clubs
Write for manufacturers' prices on Soundheads Photocells, Optical Systems, Rectifiers, Amplifiers, Horns, Faders, Synchronous Motors, Projectors, Lamphouses, Screens, Microphones, etc.
S. O. S. CORPORATICN
Dept. P.E., 1600 Broadway, New York City
Cable Address "SOSOUND"
WAX RECORDING APPARTUS
For Portable and Studio Purposes
R. W. NICHOLLS
119-28 Twenty-seventh Ave., College Point, L. Is., N. Y.
INDEX TO ADVERTISERS
Ad. Auriema, Inc 30
Amplion Products Corp.. .Third Cover
Bass Camera Co 30
Bausch & Lomb Optical Co 8
Bell Equipment Corp Second Cover
Blue Seal Products Co 32
Blue Seal Sound Devices. Inc 27
Cameron Publishing Co 5
Clarostat Mfg. Co., Inc 31
Canady Recording Equip. Co
Back Cover
Electro-Acoustic Products Co 8
Eastman Kodak Company 25
Gates Radio & Supply Co 25
H
Hoffman-Soons
30
International Broadcasting Equipment Co 32
M Miles Reproducer Co.
30
National Carbon Co., Inc 1
Nicholls, R. W 30
Racon Electric Co., Inc 6,7
RCA Photophone, Inc 3
S.O.S. Corporation 30
U Utility Specialties Corp 28, 29
W
Weber Machine Corp 32
27
Weston Elec. Instr. Corp.