Bidspirit auction | A Collection of Nickel Plated

A Collection of Nickel Plated and Brass Drafting Instruments including Helix and Post Protractors - A comprehensive collection of vintage technical drafting instruments and stationery accessories. The lot features multiple drawing instrument sets in various cases, including a Proster set with nickel plated compasses and dividers housed in a green velvet-lined case. Other instrument sets are presented in black, red, and green-lined cases, comprising spring-bow compasses, ruling pens, and extension bars. A smaller set in a cardboard box features brass instruments accompanied by a yellow set-square. Measuring tools include two slide rules, one in white plastic and one in wood, alongside a circular plastic protractor marked Helix and a semi-circular brass protractor marked Post. Office accessories include a black zippered stationery kit containing Derwent Graphic pencils, scissors, and a stapler. Original vintage retail packaging is present, including a green and white box for Per-Met Jet Black Marking Ink, a blue Leetex box, and a red Allertec box containing a rolling ruler.