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PRECISION TIMING INSTRUMENTS
FOR RADIO TV • FILMS
Official Timers
CBS — NBC — ABC
Networks
Electronically tested
Scientifically proven accurate
Exclusive, Non -breakable, "Coil Spring" Mechanism for Economy, Dependability, Unexcelled Accuracy. The result of 20 years of engineering research, Minerva "coil" construction assures endless timing precision with less wear or friction . . . without need of costly adjustments or repairs . . . under rugged continuous usage.
Lifetime Guarantee. Coils employed in Minerva Mechanisms are unconditionally guaranteed for the life-span of the timer against breakage or wear. In addition, should any Minerva timer fail to give satisfaction within one year because of defective material or workmanship, the timer will be completely repaired or replaced without charge.
10-Days Free Trial. Select any Minerva timing instrument and try it under your own working conditions for a full ten days. If it does not serve your purposes as well or better than any other instrument, simply return it. There will be no charge, no obligation.
We are headquarters for stop watch repairs & servicing — all makes — prompt service
Models 105PN — 107N
Full minute span with more definition on the minutes! Single dial reference for both minutes and seconds retains the mechanics familiar to Radio and TV but this Minerva timer is much easier to read and use. For spot timing, timing program segments, etc. Two models with alternate methods of Start-Stop-Start . . . flyback to zero.
Model 222
For "On the Air"! Red
dial gives "time left to go" without written or mental calculations — sweep hand in seconds, small hand in minutes. Easily set for any time period up to one hour. Black dial for con
entional stopate h use with
time out feature.
Models 106F — 106
For Film-making, Filmmeter and FifthSecond Timer! This specially designed timer has regular fifth-second scale, plus 90-ft and 36-ft per min. scales to register footage for 35mm. and 16 mm. film. Long hand completes one revolution in 60 seconds, small hand registers up to 30 minutes. Time out feature. Perfect flyback guaranteed for life. Model 106 has fifth-second scale only. Both available in regular or large size.
Write, Dept. TV, RIGHT NOW for complete catalog.
M. DUCOMMUN COMPANY
Specialists in Timing instruments Since 1858 580 Fifth Avenue, New York 36 • PLaza 7-2540
OUR lOOTH YEAR OF PRECISION TIMING SERVICE