Logansport Industial Cylinder Slide Calculator Fluid Power
This is a rare 1970's vintage hydrulic industrial cylinder calculator/selector marked "LOGANPORT MACHINE CO. INC. LOGANSPORT INDIANA NFPA NATIONAL FLUID POWER ASSOCIATION" plus on the same side also marked on that side "1974 AMERICAN SLIDE-CHARD CORP. WHEATON ILL. PRINTED IN U.S.A." the maker. This is a double sided slide calculator with various kits and mounting plates on one side, and one the other side cylinder selection for flange, tie rod, clevis trunnion, and tapped lug type cylinders. It is in good++ condition with very little light wear, a few outside edges have some light staining or small spots, all the text and scales are fully readable, in very good working order. It measures 11" x 8.5", has a plastic like coating on all surfaces, the little holes you see are the 8 brass rivets that hold this three piece unit together, plus three holes for inserting into your notebook, all in great shape.
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