Bruning 2401* 5in Slide Rule and Leather Case F*S Everything_Else This is a compensated barometer

This is a compensated barometer

where he contributed to Pinocchio and Fantasia

Good vintage condition with no chips

patented in 1931

Zip codes weren't invented and Dwight Eisenhower was the president when this was new

Bruning 2401* 5in Slide Rule and Leather Case F*S Everything_Else This is a compensated barometerBruning 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