IWA SR726 Gasrohrberechnung slide rule 1970 Germany
€35.00
IWA SR726 Gasrohrberechnung slide rule with manual and sleeve for pressure in gas pipes, made ca. 1970 in Germany.
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1 in stock
Description
Interesting slide rule by IWA model SR726 for calculating pressuring in gas pipes. It is in very nice condition so there are only small signs of use or age from normal use, fully functioning with all parts intact. Nice double sliders in the middle and table on the back. It also comes with the original instructions in German and the original (generic) plastic sleeve. It measures ca, 22 cm or ca. 9 inches long. Check the attached video on how to work your vintage man tool : slide rule operation instructions!
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