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Title: 1 pair safety spectacles (made by Hadley Co.) with triplex l [Go to resource]
Description: 1 pair safety spectacles (made by Hadley Co.) with triplex lenses, as formerly used at May and Baker Chemical Works, Dagenham License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: protective spectacles Source: Science Museum Creator: Hadley Co. (maker) Identifier: 1985-405 Go to resource More Like this...
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