double-pressure boiler
121Yule Marble — Lincoln Memorial: exterior is all Yule Marble. Yule Marble is a type of metamorphed limestone found only in the Yule Creek Valley, in the West Elk Mountains of Colorado , just south of the town of Marble, Colorado ( …
122Pipe (material) — A pipe is a tube or hollow cylinder used to convey materials or as a structural component. The terms pipe and tube are almost interchangeable. A pipe is generally specified by the internal diameter (ID) whereas a tube is usually defined by the… …
123LMS Princess Coronation Class — Infobox Locomotive powertype=Steam name = LMS Princess Coronation Class caption = Preserved 6233 Duchess of Sutherland running in 2001. She is roughly in the same condition as between 1941 (when a double chimney was fitted) and 1945 (when she… …
124British Rail Class 24 — Infobox Locomotive name = British Railways Type 2 British Rail Class 24 powertype = Diesel elctric caption = An unidentified Class 24 at Mossend yard in September 1976. roadnumber = D5000–D5150; later 24001–24047, 24051–24141 builder = British… …
125LMS Garratt — Infobox Locomotive name=LMS Beyer Garratt powertype=Steam caption=An unidentified garratt near Ampthill Tunnel north portal, 1954 with a Toton Brent coal train for which it was designed. Note the Midland milepost in the foreground. builder=Beyer …
126North Carolina-class battleship — North Carolina steaming on 3 June 1946. By this time, many of the light anti aircraft weapons (Bofors 40 mm and Oerlikon 20 mm) mounted during the war had been removed, while more modern radars had been mounted on her forefunnel and mainmast …
127John Kerr (Governor-General) — Infobox Governor General | name=Sir John Kerr order=18th Governor General of Australia term start=11 July 1974 term end=8 December 1977 predecessor=Sir Paul Hasluck successor=Sir Zelman Cowen birth date=birth date|1914|9|24|df=y birth… …
128Watt steam engine — The Watt steam engine was the first type of steam engine to make use of steam at a pressure just above atmospheric to drive the piston helped by a partial vacuum. Improving on the design of the 1712 Newcomen engine, the Watt steam engine,… …
