Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 171
hat will stand both hotand cold water service is made of pure canvas cut in stripsof the required width, ^4, %, % inches, etc., and laid to-gether with a water proof cement having the edges for thewearing surface. This packing is called square canvaspacking, 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…
