Description
The plate is inscribed: 'PLATE 28
entrance gate
with a street scene with figures
George Goring
'Superdigit' mathematical calculator mb-code 00365855 The plate is inscribed: 'PLATEAbacus like mathematical instrument consisting of 384 moving squares intended for calculation. The author indicated that 'The Quickest Operation upon this Instrument, is by a New Method of Infinite Series, called the Decimal Series.' The first of six figures from the paper 'The arithmetic of the superdigit', by Robert Flower, signed and dated on 18 April 1742 [but endordsed 1741] and sent to the Royal Society. Not published in Philosophical
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