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Scientific American, Vol. 56, No. 23 (June 1887) (1887)

leaf 3

An illustration from Scientific American, Vol. 56, No. 23 (June 1887), 1887, leaf 3
or characters, extend top of the frame is journaled a drum, operated by a being secured to the rear shaft. Upon the center cross- around the supports, in the inner faces of which are in- crank, and to which are attached ropes arranged as bar are two standards, to which are attached for- serted the… … spective and a sectional view of a recently SPENCER'S IMPROVED HAY RAKE. A FROST PROOF STEAM TRAP FOR CAR HEATING. patented frost proof steam trap, designed for use on railway cars and in other exposed pawl. In operation, the frame is placed over the grave places. It consists of a shell with two…

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