April 16, 2024
No Reserve .99 Cents Bid Pennwood Numechron TYMETER TV Clock WORKS MODEL 750
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Located in Pittsburgh, Philadelphia, the company was initially founded as the Pennwood Electric Company in the 1930s and manufactured a range of industrial timers as well as various electric devices. The mechanism used in Pennwood Numechron clocks was invented by an employee of the firm, Frederick A. Greenawalt and was patented in 1935. Pennwood Numechron were in direct competition with fellow clock manufacturer Lawson and the firms earliest clocks were expensive models with elaborately designed cases. During the late 1930s and 1940s, no companies did more to commercialise the digital clock than Pennwood Numechron and Lawton. However, with the introduction and increasing regularity of televisions in American homes, Pennwood Numechron began to produce a series of novelty, less expensive models that were shaped like miniature television sets. The Pennwood Numechron Company remained in business until 1972 when it was bought by the Spartus Corporation. The distinctive style of Pennwood clocks was maintained for several more years until production was ceased completely. /pennwood-numechron-clocks
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