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The First Electric Digital Clock - Telechron Cyclometer Model 8B01 "Minitmaster", 1933-34

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Clocks2691 of 3204Glass Ball ClockWilliam L Gilbert-Know anything?
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Posted 6 years ago


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On May 22, 1933 Edgar Bourguin received patent #D89 741 for the "Minitmaster". On the same day he received patent #D89 742 for the "Executive". The Minitmaster has a moulded black plastic case, gold finished ornaments, and a front metal panel with an etched design. It features three laquered metal drum style dials and a sweep second disk with printed numerals. A miniture MAZDA lamp illuminates the dial. 13,419 were sold according to company records.

Most of the gold ornamentation has worn off over time but still shows up on the right foot of the clock, the sides are ornamented with an hourglass design (see second picture). The front metal panel shows some discoloration in two spots in the upper right hand corner under the minute dials, and in the lower left hand corner.

Just got through replacing the cord, and while I was at it, I cleaned the glass and metal plates in front. I discovered that the sweep second disk was rubbing against the the metal plate in front of it (see first picture above the 40 second marker). So I gave the spacer bars a little more bend and the disk spins freely. The glass where the metal cutouts line up were about 25% grey from motor off-gasing , they got a cleaning also. The discolorations were from oil they cleaned up also (the dark section on the metal plate in the first picture is the edge of the counter top).

The forth picture is from a marketing ad featuring an Ohio State Trouper, the Minitmaster is circled in yellow.

The clock still runs and is quite, unlike the modern ones.

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