Bidspirit auction | An Assortment of Vintage Draughting

An Assortment of Vintage Draughting Sets Slide Rules and Measuring Instruments Including Ecobra and Mars Staedtler - A collection of vintage technical drawing and calculating instruments. The group includes a professional Ecobra draughting set housed in a maroon zippered case with a green velvet interior, featuring a gold-toned metal badge with the manufacturer logo. This set comprises a large compass with extension bar, dividers, and two smaller bow compasses with various ruling pen attachments. Two additional hinged drawing sets are included, one with a blue velvet lining and one with a black velvet lining, both containing chrome-plated compasses, dividers, and interchangeable points. The calculating instruments include a large white plastic slide rule with a red end-cap and clear plastic cursor, displaying scales T1, T2, A, B, CI, C, D, L, and K. A smaller pocket slide rule is present in a black textured slipcase, alongside a Paper Calculating Slide Rule housed in a maroon card folder printed with metric unit operating instructions. Two further slide rules are included, one in a clear plastic sleeve and one in a brown leather slipcase. Measuring tools consist of a yellow-painted wooden four-fold rule graduated in inches and a long wooden tailor’s ruler marked Singer Made in England. The collection also features two gold-toned rectangular metal tins bearing the Mars Staedtler helmeted head logo. Tailor's ruler visible to 12 inches Folding rule visible to 23 inches.