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copyright 1951; Frederick Post Company publishers, Chicago; smaller hardbound; very good condition with unmarked pages; boards very good; no dust jacket.


from Introduction -

Early in 1950, a group of prominent professors and practicing engineers were approached with the problem of designing a practical slide rule for today's problems. They were asked to examine every existing concept of slide rule practice in the light of modern-day specialized needs and to develop a new slide rule that would be the ultimate in efficiency and practical usefulness.


This is the story of your new VERSALOG Slide Rule...designed by engineers...for engineers.

THE VERSALOG SLIDE RULE, An Instruction Manual by E.I. Fiesenheiser

SKU: BS230
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