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Title: W.H. Smith simplified Rietz (10-inch) slide rule by Blundell [Go to resource]
Description: W.H. Smith simplified Rietz (10-inch) slide rule by Blundell Harling Limited with plastic case and instructions License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule Temporal: 1970-1975 Source: Science Museum Creator: Blundell Harling Limited Identifier: 1998-438 Go to resource More Like this...
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