'Superdigit' mathematical calculator mb-code 00365855 with a street scene with

with a street scene with figures

1971 MGB GT

'Government Hospitality'

Queen Elizabeth II's visit to Coventry for the consecration of the new cathedral

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

'Superdigit' mathematical calculator mb-code 00365855 with a street scene withAbacus 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