MRGRRBK BPL RB
Wheelock's Steam Engine Works.
Wheelock's Improved Variable Cut-
off Engine ... : [advertising
brochure]. -- [Boston : s.n., 1881.] [Sl pw ¢ Shds ¢ 28 om.
, Engravings by J.S. Boston. . Steam-engines--Cylinders. 2. Stean-engines. 3. Advertising flyers. I. Conant, J.S., engraver. Ei« Titie.
Conant of
@ ocm30997602 ie) 68