- Back
-
Title: Machine for jointing tyring in which a helical coiled wire c [Go to resource]
Description: Machine for jointing tyring in which a helical coiled wire core is embedded. Covered by patent 9167/20. Final patent no.160,670. Suitable for 3/8", 7/16", 1/2", 9/16" and 5/8" tyring. Machine available for purchase 1920 to 1932 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1920-1932 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
[Edit] - Back