Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 15
fktent Veitidkl ^tean) ^ngiqe. … The Vertical Engine possesses advantages which are destined to bring it into general use for stationary purposes.It has already won its way to universal favor on board our flnest screw steamers, where its continuous and rapidworking, during long and stormy passages, proves it to be peculiarly…
