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Page 30
PROJECTION ENGINEERING
F. S. C. Genuine Optical Crown Glass Plates
Enclose Portholes for Perfect Sound Projection
PRECISION SURFACES NO DISTORTION
S. O. G. "IGNAL" CONDENSERS
Extra Heatresisting Optical Glass
ALL SIZES
ALL FOCAL LENGTHS
FISH-SCHURMAN CORP.
45 WEST 45TH STREET NEW YORK, N. Y.
HEADQUARTERS for the hard to get parts or material. Complete stock of shielded and plain covered wire on hand at all times. Full line of Weston and Jewell meters in stock for immediate delivery. All standard microphones in stock.
-flhaHome of RADIO. 1
45 VESEY STREET, NEW YORK CITY
Now
SELL 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. CORPORATION
Dept. P.E., 160© Broadway, New York City
Cable Address "SOSOTJND"
niCRGPHGNES
. and accessories Write for Details >
ELLI S ELECTRICAL LABORATORY
BUILT for SOUN
We build splicers to your specified requirements— for sound film, wide film, 35mm or 16mm film. Our splicers, both standard and custom-made, are giving sturdy, dependable service in theatres and exchanges throughout the world.
Send for literature
GRISWOLD
MACHINE WORKS Port Jefferson New York
w
E, offer to manu£ac» tnrers Interested in.
EXPORT
tlte services of a. dependable organization*, ■well established in the entire foreign field
AD. AUMEMA, Inc.
Mantaf acturers' Export Managers
116 Broad Street, New York, N.Y.
GEARS
In Stock — Immediate DeliveryGears, speed reducers, sprockets, thrust bearings, flexible couplings, pulleys, etc. A complete line is carried in our Chicago stock. Can also quote on special gears of any kind. Send us your blue prints and inquiries.
Write for Catalog No. 60
CHICAGO GEAR WORKS
769-773 W. Jackson Bivd., CHICAGO, ILL.
337 WEST MADISON ST.
CHICAGO. ILLINOIS
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.
INDEX TO ADVERTISERS
Ad. Auriema, Inc
Amplion Corp. of America.
30 6
Bass Camera Co 30
Bell Equipment Corp Fourth CovetBest Devices Co 29
Blue Seal Sound Devices, Inc 25
C
Cameron Publishing Co 32
Chicago Gear Works 30
Clarostat Mfg. Corp 28
D
DeJur-Amsco Corp 23
De Vry, Inc., Herman A.. . .Third Cover
E
Ellis Electrical Laboratory 30
Fish-Sehurman Corp 30
Ferranti, Inc 29
Forest Electric Corp 21, 27
G
General Radio Co 25
Gries Reproducer Corp 27
Griswold Machine Works 30
H
Hoffmann-Soons 25
Horton Mfg. Co 29
Int'l. Broadcasting Equipment Co.. 3 L
N
National Carbon Co., Inc.
Leeds Radio Co.
30
Phototone Equip. Corp. of America, The 23
R Racon Electrical Co., Inc. . Second Cover
S
Samson Electric Co. . ., 5
SOS Corporation 30
U Universal Microphone Co., Ltd... 29
W
Weber Machine Corp 27
Weston Electrical Inst. Corp 21