Bruning 2401* 5in Slide Rule and Leather Case F*S

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Bruning 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  

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