Hydraulic, electric, steam and belt elevators. (1893)
Otis Brothers & Co. · Otis Brothers · leaf 17
OTIS COMPOUND HOISTING ENGINE The question of economy of operati n I ring be ome an important I in the u Hoisting Engines, w have perfected a Compound II- i. for u» ith E i or Com] «l Air, in which such expansion is attained as effects materia] saving in the consumption I fuel. I 2 THE OTIS… … •METROPOLITAN ENGINEUSED IN CONNECTION WITH STEAM FREIGHT ELEVATORS FOR STORES, WA (For particulars, see ] e i4.j REHOUSES, ETC THE OTIS STANDARD ELEVATOR
