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Title: Early Lens Grinding Machine by E [Go to resource]
Description: Early Lens Grinding Machine by E.R. Watts & Son, London, England, c.1900. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1895-1905 Source: Science Museum Creator: E. R. Watts & Son Identifier: 1945-80 Go to resource More Like this...
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