Mechanical rubber goods : manufactured by Gutta Percha & Rubber, Limited, successors to the Gutta Percha & Rubber Mfg. Co. of Toronto, Limited (1910)
Gutta Percha and Rubber Manufacturing Company · Toronto, Ont. : Gutta Percha & Rubber · leaf 71
screw up the nuts tightivhfle cold. Let the steam on enough to warm the packing, which,being unvulcanized, will soften when steam is first applied to it.Follow up the joint carefully until there is no escape of steam, andthe packing has become hard and fitted to the joint. Cut boltholes a little… … C^B 205
Gutta Percha and Rubber Manufacturing Company · Rubber goods · Commercial
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