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Title: Ready reckoner for bolts and screws, rectangular card with s [Go to resource]
Description: Ready reckoner for bolts and screws, rectangular card with sliding section, made for the Societe Anonyme Gilsoco, Belgium by Normus License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ready reckoner (engineering) Source: Science Museum Identifier: 1989-606 Go to resource More Like this...
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