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Title: Two gutta percha insulated cables from Arnold Perrett's Bond [Go to resource]
Description: Two gutta percha insulated cables from Arnold Perrett's Bonded Stores, 1908. (Insulation badly cracked, test was high, so removed 1939) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: gutta percha Temporal: 1908 Source: Science Museum Identifier: 1985-938 Go to resource More Like this...
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