FEBRUARY 14, 1880.] Srientitic American, 109 … will have one. send for it. Agents supplied. Rights SLIDE VALVE.—Movements of Piston and CRANK; | ‘ a forsale. Address J. H. MARTIN, Hartford, N. Y Steam Supply; To Measure the Throw of an Eccentric. ON STALS NOOWuvd AHL AT WHOLESALE reg nd baad Pepe aces Serres XIX. How To SEr A SLIDE VALVE. XX.…
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