Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 285
ithin reach of the engine-man, and connected by a rod/*and lever </, with the stalk of the valve. The rod has a micrometer screwon its upper end, which works into a united socket attached to the end oftlie lever g\ and thereby raises or lowers the valve. Second; Y^, thesteam valve, for admitting… … PLATE XXXYII. 202 4 m .3^ Mm jr An 202 PLATE XXXYIII. e ^
