Bruning 2401* 5in Slide Rule and Leather Case F*S Mid Century Chrome-plated brass exposed metal components

Chrome-plated brass exposed metal components for corrosion resistance

Bendix Neon Timing Light - Mid Century antique

commercial office typewriter designed for the student - home user - or small business

this book also offers an incisive narrative of the history of astronomy and an evocation of what we see when gazing at the stars

Bruning 2401* 5in Slide Rule and Leather Case F*S Mid Century Chrome-plated brass exposed metal componentsBruning 2401 5in Slide Rule and Leather Case Really neat and very practical 1960s 5 inch plastic rule #2401 Simplex With Bruning Leather Slipcase. 5" scale, with 6" total length. Scales on both sides of the center post. Front Scale 12. 5cm A [ B, CI, C ] D, K \\ 5in Back Scale: [S, L, T ] Leather slipcase is unmarked, Made in the USA FREE standard shipping to the 48 contiguous United States