ner circumference of the circular opening in the which collectsin a tank in the upper part of the Scientific requires frequent manipulation by hand, to suit circum- swivel, is provided with journals which rest upon bearings Building,and is carried to the working tables of the students stances,… … and of such shape as not to impede the passage of smoke or resting upon the bearing wheel. C is asiphon pipe, leading from the bottom of the is similar to others of its class already noted. It is closed, weight, E; at the other end it carries the metal receivers, F. By constructing the iron with…
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