Bidspirit auction | A Collection of Vintage Technical

A Collection of Vintage Technical Drawing Instruments, Slide Rules, and a Calligraphy Set - This lot comprises an assortment of precision drafting and mathematical tools. It includes a professional drafting set housed in a rectangular red velvet-lined zippered case, containing nickel-plated and steel instruments such as various compasses and extension bars. A second, larger multi-tiered drafting set is presented in a black velvet-lined case, featuring a comprehensive array of dividers and precision compasses. Two additional smaller auxiliary sets are included: one in an orange-lined case featuring a central blue stylised logo and another in a red-lined case with a transparent lid. The collection also features an assortment of slide rules, including a traditional wooden linear rule in a light-coloured protective sleeve, a white plastic rule with complex logarithmic scales, and a circular rotary calculator in a blue and white housing. Completing the lot is a modern calligraphy set in a black presentation box, which includes a silver-toned pen body and several interchangeable steel nibs. This set is accompanied by a printed instruction sheet in German with the heading Kalligraphie 501. The instruments are primarily constructed from nickel-plated brass, steel, wood, and plastic.