he screw has reached the step dt the palls are againthrown into the ratchets, and the screw drawn backas before, so that by this means the follower canbe advanced a distance by the higher power of thescrews equal to the screws length ; c, is the base ofthe press; e, the columns supporting the head… … A £ 1=3_ be seen at Messrs. Rennies ; it has been provedimarious ways; and from the circumstance of its extreme simplicity, and not giving under the pressure, is,in every sense of the word, superior to the hydraulic press. For the purposes of the manufacturer, it is decidedly to be preferred; its…
Civil engineering · Architecture
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
