A rare set of 18thc brass and steel proportional dividers, they are engraved with numbers, ''circles'' and ''lines'' on one side and numbers, ''planes'' and ''solids'' on the other side.....and as if that is not enough, they are also engraved with the maker Gilbert London. they have a very pleasing shape and a good natural uncleaned colour...a real one for the collector of early technical instruments.English - London. C1760. (An identical pair were sold at auction in Oct 2013...estimate £800-£1200 - Price realised in sale : £1,750.00)Payment can be made by Bank Transfer , all you will need are my Bank Details, which I will send you or off line by Credit / Debit card ,..... e-mail or telephone your card details (long card number, expiry date and three security digits on the reverse of the card) through to me and I will do the rest .Please quote the Internal Reference Number to identify the item you are enquiring about....thank you.Height is 1.3cm (0.5inches)
Width is 16cm (6.3inches)
Depth is 1.8cm (0.7inches)