- Back
-
Title: Slide rule for electrical calculations with one slider, card [Go to resource]
Description: Slide rule for electrical calculations with one slider, cardboard, made 1957 by Perrygraf, Illinois for Sigma Instruments, Massachusetts License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule (electrical engineering) Temporal: 1957 Source: Science Museum Creator: Perrygraf Corporation Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
[Edit] - Back