Every boy's book of railways and steamships (1911)
Protheroe, Ernest · London : Religious Tract Society · leaf 64
s casethe regulator valve is in the smoke-box. Yetother engines are fitted with a superheater,which dries the steam by ridding it of its saturationor moisture. A common and useful type of regulator valvefor dome use is one in which a cylindrical valve islifted ofi its seatings by a rod which is… … CONSTRUCTION OF LOCOMOTIVE 53 The safety-valve is generally situated over thefire-box, but in domeless boilers it is often placedwhere the dome would otherwise be upon themiddle ring of the boiler barrel. The Ramsbottomvalve is a popular type of safety-valve. Connectedwith the boiler at their base…
Railroads · Steamboats
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