F. Cords Patented through the Scien- from this pulley are led down alongside the elevator carriage. By means of said cords the pulley, F, may be turned in one or the other direction, so For further in- etc., when added to caoutchouc softened in bisulphide of moving correspondingly the end of bar,… … ally provided. est effort. Itis simply a matter of regularity tice. The music is then transferred to the stone and proofs sides, with which pawls engage, and so prevent the fall of taken at will. the platform in event of the breakage of the hoisting, is here IMPROVED BILL FILE. Penikese School.…
Internet Archive · Public domain (published before 1931). Free to use for anything.