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Title: Three samples of Packings for Valves:- 1 spool 1/8-inch Zeni [Go to resource]
Description: Three samples of Packings for Valves:- 1 spool 1/8-inch Zenith high pressure valve twist (G.Y. 645); blue indurated Asbestos fibre and red indurated Asbestos fibre License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Turner Bros. Asbestos Co. (maker) Identifier: 1935-597 Go to resource More Like this...
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