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Patent:US219246


Patent:US 219246
Title:Improvement in Calculators
Date:02.09.1879
Place:Belfast
Country:USA
Person:Fuller, George (P)
Company:
Internal Links:Fuller Calculator Model 1 Fuller Calculator Model 2
Keywords:
Link to the patent office:
(without guarantee)
 US219246 (espacenet),  US219246 (uspto)


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Aus der Patentschrift US219246

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Fuller Calculator, Mod 1 (Stefan Drechsler)