Sizing information
Overall size (inc frame) | x cm ( x in) |
Depth | cm (in) |
Artwork | x cm ( x in) |
Border (mount) |
cm
top/bottom
(in)
cm left/right (in) |
The paper size of our wall art shipped from the US is sized to the nearest inch. |
Our prints
We use a 200gsm fine art paper and premium branded inks to create the perfect reproduction.
Our expertise and use of high-quality materials means that our print colours are independently verified to last between 100 and 200 years.
Read more about our fine art prints.
Manufactured in the UK, the US and the EU
All products are created to order in our print factories around the globe, and we are the trusted printing partner of many high profile and respected art galleries and museums.
We are proud to have produced over 1 million prints for hundreds of thousands of customers.
Delivery & returns
We print everything to order so delivery times may vary but all unframed prints are despatched within 1–3 days.
Delivery to the UK, EU & US is free when you spend £75. Otherwise, delivery to the UK costs £5 for an unframed print of any size.
We will happily replace your order if everything isn’t 100% perfect.
Product images of 'Superdigit' mathematical calculator
Product details 'Superdigit' mathematical calculator
'Superdigit' mathematical calculator
Abacus-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 Transactions of the Royal Society. In addition to this paper, Flower also demonstrated his invention at the Spalding Gentlemen's Society in 1739. Robert Flower was not a Fellow of the Royal Society.
Original: ink and watercolour on paper. 1741
- Image ref: RS-10394
- The Royal Society