Stationary steam engines, simple and compound; especially as adapted to light and power plants (1902)
Thurston, Robert H[enry], 1839-1903. [from old catalog] · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 152
oved to be so serious, as to give manyengineers a very strong prejudice against the valve ; on theother hand, this unfavorable prejudice seems to be now-giving place to a decidedly favorable opinion, assuming thatthe valve is well made and is to go into good hands, and tobe used under proper… … Armington & Sims Valve. the engine here under consideration, the valve is said by theconstructors to have proved eminently successful and tohave proven more durable than their earlier constructions,in which they adopted a balance flat valve. It is probablytoo early, as yet, to fully decide what…
Steam-engines
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