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| The General Electric model 7F58 was known
as the "Lumalarm", and cost $7.50 in 1935. The face was
illuminated by a small bulb in the base just below the "6" and a tiny
rheostat controlled the brightness. The numbers and patterning were applied
to the inside of the crystal using a steel gray mirror finish with white
highlights. The petal motif was echoed on the top surface. The case
was made of black Bakelite, though a version in white Plaskon plastic was
available as well, with a much different face design. Amos Northrup was issued patent D97204 on Oct. 15, 1935 for the design of this clock. |
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