Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 171
t will stand both hotand cold water service is made of pure canvas cut in stripsof the required width^ i/^^ %^ % inches^ etc.^ and laid to-gether with a water proof ceftient having the edges for thewearing surface. This packing is called square canvaspackings and can be purchased in any size… … Fig. 64deane piston-pattern pot-valve-type boiler feed-pump cylinder walls. This packing should not be allowed torun for too long a time before renewing, for the reasonthat pieces of it are liable to become loose^, and be forced Boiler Setting and Equipment 159 along with the feed water on its way…
