Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 387
pose of limiting the pressure in the stagechambers, in a manner somewhat similar to the controlof the receiver pressure in a two-cylinder or three-cylinder compound reciprocating engine. The valves controlling the admission of steam to thesecond and later stages differ from those in the firstgroup… … i<«««««««(a ~mm~ ~ /\Sfovtr->sr £9 /oc/e-S Ato22fe Z7/<pjo/^mogr/-1
