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Title: Old Cornish punched tin gauge, used in ore dressing (standar [Go to resource]
Description: Old Cornish punched tin gauge, used in ore dressing (standard) (stamped "J. and F. Pool, Ltd., Hayle, Cornwall etc.") License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: J. and F. Pool Ltd. (maker) Identifier: 1932-309 Go to resource More Like this...
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