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- Luigi Torchi invented the first direct multiplication machine in 1834. This was also the second key-driven machine in the world, following that of James White (1822). Very little is known about the inventor and the machine. We only know that he was a carpenter; his machine was awarded of a gold metal from the Imperial-regio istituto lombardo di scienze, lettere e arti in Milan in 1834. A document of such occasion provides the known details of the machine, where a second document shows a drawing of the machine itself. However, no detailed documents about how it worked are known to exist. The machine was exhibited in Brera between 1834 and 1837; it was later found by Giovanni Schiaparelli in bad conditions. After that, are not known further information about the machine. (en)
- Luigi Torchi (1812 – seconda metà del XIX secolo?) è stato un inventore italiano, pioniere del calcolo automatico. (it)
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- Luigi Torchi (1812 – seconda metà del XIX secolo?) è stato un inventore italiano, pioniere del calcolo automatico. (it)
- Luigi Torchi invented the first direct multiplication machine in 1834. This was also the second key-driven machine in the world, following that of James White (1822). Very little is known about the inventor and the machine. We only know that he was a carpenter; his machine was awarded of a gold metal from the Imperial-regio istituto lombardo di scienze, lettere e arti in Milan in 1834. A document of such occasion provides the known details of the machine, where a second document shows a drawing of the machine itself. However, no detailed documents about how it worked are known to exist. (en)
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- Luigi Torchi (inventore) (it)
- Luigi Torchi (en)
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