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1953
Hardware Description
This is the fully featured model in the 100 Series, featuring Back Transfer, Tens Carry, and a Control Register. Production started in 1951, and a total of 6079 machines of this type were manufactured until production ceased in 1954, and the machine was replaced by the very popular Model 239.
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Model Number:
139 -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1953 -
More Info:
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