'Superdigit' mathematical calculator mb-code 00365855 The picture was taken at

The picture was taken at a lunch for former Grand Prix drivers hosted by Raymond Mays

With the royal arms in the top left corner and a list of wards and parishes

entrance gate

The plate is inscribed: 'PLATE 28

in a long red robe trimmed with fur

'Superdigit' mathematical calculator mb-code 00365855 The picture was taken atAbacus 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