[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 85
patterns wouldbe needed, and castings obtained at low rates. The upper and lower parts a and b of the frame,the caps for the bearings and the pulley are ofcommon cast-iron ; the armature of annealed cast-iron. The rest of the metal parts, except the shaft,are of brass. In making this machine, the…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
