From the great encyclopedia of mechanical calculating
Patent: | CH 31942 |
Title: | Zehneruebertragungseinrichtung an Rechenmaschinen mit laengsverschiebbaren, bei Addition die Summe angebenden Zifferstaeben |
Date: | 15.06.1905 |
Place: | Deutschland |
Country: | Switzerland |
Person: | Selling, Eduard (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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This page was last modified 16:47, 18. Oct 2007.