Hart’s Mercantile Computing Machine, 1878
Hart’s Mercantile Computing Machine, 1878
Patentiert von William Hart, Kirksville, USA, hergestellt von Scovill Manufacturing Co., Waterbury; Scheibenrechner für die 4 Grundrechenarten, Messing, 2 konzentrische Scheiben, jeweils mit den Zahlen 1 bis 99, Einstellung mit Stift (nicht enthalten), Ø 12,5 cm.
Start Price: EUR 280
Zustand: (3+/2)
Hart’s Mercantile Computing Machine, 1878
Patented by William Hart, Kirksville, USA, manufactured by Scovill Manufacturing Co., Waterbury, disc calculator for the 4 basic arithmetic operations, brass, 2 concentric discs, each with the numbers 1 to 99, adjustment with pen (not included), Ø 5 in.
Start Price: EUR 280
Condition: (3+/2)
- The cost is converted to USD at the rate of 1 EUR = 1.065375 USD on 2023-09-15.
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