Stationary steam engines; especially as adapted to electric lighting purposes (1884)
Thurston, Robert Henry, 1839-1903 · New York, J. Wiley & sons · leaf 152
roved to be so serious, as to give manyengineers a very strong prejudice against the valve ; on theother hand, this unfavorable prejudice seems to be nowgiving 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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