ACTUAL ITEM · PHOTO 1 OF 9BIN INDEX
Keuffel & Esser Log Log Duplex Slide Rule — 1940 · 1940
BRAND / MAKERKeuffel & EsserCONDITIONPre-OwnedYEAR / ERA1940TYPESlide RuleUNIVERSEBITSITEMKeuffel & Esser Log Log Duplex Slide Rule — 1940STATUSIn StockPACKAGINGLeather case with original manual