Aston and Mander (1917)
of 63 Old Compton Street, Soho, London, W1
1779 Company established.
1914 Wholesale and export mathematical drawing, surveying and scientific instrument manufacturers. Specialities: tailors' squares, every kind of mathematical scales, rules etc., tailors' and cloth merchants' tools; anthropological and height measuring instruments, scholastic geometrical sets and appliances, brewers' and gaugers' instruments. Employees 50 to 60. 
1929 Advert in British Industries Fair Catalogue as an Optical, Scientific and Photographic Exhibit. Manufacturers of Mathematical and Anthropological Apparatus; Drawing Instruments; Trade Rules and Measures; Trade Calculating Slides; Boxes and Cabinets, for Wireless, Drawing Instruments, etc. (Scientific Section - Stand No. N.2)