Bidspirit auction | A Collection of Vintage Drafting

A Collection of Vintage Drafting Instruments and Slide Rules including Eco-bra and Staedtler - A collection of technical drawing and calculating instruments, primarily dating from the mid-20th century. The assembly includes a professional-grade Eco-bra drafting set housed in a brown zippered case with a green velvet-lined interior. This set features a gold-toned metal label inscribed ECO-BRA flanking a central circular logo depicting a castle tower. The instruments are constructed from nickel-plated brass and steel and include several large and small compasses, extension bars, and technical pen attachments. Also included are two rectangular gold-toned metal tins, the lids of which are printed with MARS, a blue circular logo featuring a helmeted head in profile, and STAEDTLER. Calculating tools comprise an Acclaim slide rule in a clear plastic case and a standard white plastic linear slide rule with a cursor, contained within its original black two-part cardboard case. The collection is further comprised of a smaller drafting set in a dark blue case, a secondary set in a black velvet-lined case, a slim brown leather protective pouch, and a printed booklet titled PAPER CALCULATING SLIDE RULE. Eco-bra case width: approximately 26 centimetres Linear slide rule length: approximately 30 centimetres.