Differences
This shows you the differences between two versions of the page.
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summa15 [2016/03/25 18:36] clodoveu |
summa15 [2017/05/14 18:26] (current) clodoveu |
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| [[http://www.curtamania.com/curta/database/brand/Olivetti/Olivetti%20Summa%2015/more/Olivetti%20Summa%2015%20Instrucciones%20para%20el%20Uso%20(Spanish).pdf | Operations manual (in Spanish)]] | [[http://www.curtamania.com/curta/database/brand/Olivetti/Olivetti%20Summa%2015/more/Olivetti%20Summa%2015%20Instrucciones%20para%20el%20Uso%20(Spanish).pdf | Operations manual (in Spanish)]] | ||
| - | [[http://www.aconit.org/histoire/calcul_mecanique/documents/Olivetti_Summa_Quanta_20.pdf | An explanation of the design of the Summa Quanta 20, an electrical machine similar to the Summa Prima 20, a successor to the Summa 15. The calculating principle is the same]] | + | [[http://www.dcc.ufmg.br/~clodoveu/files/Images/Summa15/Summa-15-manual-italian.pdf | Operations manual (in Italian)]] |
| [[http://www.johnwolff.id.au/calculators/Olivetti/Olivetti.htm | John Wolfe's Web Museum, description of the entire Olivetti line along time]] | [[http://www.johnwolff.id.au/calculators/Olivetti/Olivetti.htm | John Wolfe's Web Museum, description of the entire Olivetti line along time]] | ||
