Coin Slot

Coin Slot Magazine - #014 - 1975 - December [International Arcade Museum]
June 3, 1941.
B. S. WATLING
2,243,929
COIN CONTROLLED MECHANISM
Filed June 30.
1933
4 Sheets-Sheet 1
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Patented July 3, 1941, by Burns S.
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escalator mechanism. In describing the
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states, "A single coin chute and lock contro
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lling mechanism
that may be operated with a plurality of coins of
different sizes and value, provided the larger coin is an even multiple
in value of a smaller coin.lf
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