Society of Glass Technology · [Sheffield] · leaf 382
315 be allowed. There are several objections to this. In the firstplace, it is a physical impossibility to allow absolutely no time fordrainage. Two seconds was found to be the minimum drainagetime which it was practicable to work with. Consequently, when0 second is the specified drainage time a… … 10 20 30 40 50 60 70 80 90Deliveru Time in Seconds. Fig. 3. when fifteen seconds drainage time have elapsed, and hencegreater precision in observing the 0 second drainage time is requiredthan in observing the fifteen seconds drainage time. Finally,conditions are not so steady immediately delivery…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
