File:History of the West End street railway, in which is included sketches of the early street railway of Boston- consolidation of the various lines- foreign street railways- the Berlin viaduct- anecdotes, (14757738801).jpg

Identifier: historyofwestend00hage (find matches)
Title: History of the West End street railway, in which is included sketches of the early street railway of Boston- consolidation of the various lines- foreign street railways- the Berlin viaduct- anecdotes, etc., together with speeches by President Henry M. Whitney, and others. Also, expert testimony as to the safety of electric currents..
Year: 1892 (1890s)
Authors: Hager, Louis P
Subjects: West End Street Railway Company Street-railroads
Publisher: Boston, Ed. and pub. by L. P. Hager
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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54-inch belting. For the manufacture of these immensebelts special machinery is required, some of which is peculiarlyunique, and it is safe to say that no other establishment in this partof the country is equipped with special reference to producing them,. A MONUMENTAL CHIMNEY. We have already described the pile and concrete foundation of theimmense smoke stack. Above this was built a granite foundation17 feet in depth, 60 feet square at the base, tapering to 30 feetsquare at the top, solid throughout with the exception of three orfour coursed at the top, in which allowance was made for a soot-chamber. The chimney is 28 feet square at the base, extending toa height of about 30 feet, the level of top of boiler house, fromwhich point it is circular in section, 26 feet in diameter, tapering to17 feet near the top, where it bulges out in a neat design to 22 feetin diameter at the extreme top. Its altitude is 252 feet, or some ^Qfeet higher than Bunker Hill monument. The flue is 13 feet 8
Text Appearing After Image:
WEST END STREET RAILWAY. 95 inches in diameter, and is parallel all the way up extending to with-in a few feet of the top. The chimney consists of an outer shell32 inches thick at the bottom, tapering to i6 inches at the head,and has 12 internal buttresses extending the whole length, but nottouching the inside core or shell, which is left free to expand by theheat of the gases. The inside shell is 21 inches thick at the baseand tapers to 8 inches at the top. The top of the chimney is pro-vided with a finely designed cap of cast iron, made in 24 sections,and weighing nearly four and a half tons. To this cap is attacheda series l^f lightning rods. Inside of the chimney and near the topis a means of taking the temperature of the escaping gases. Thisconsists of an iron bracket and pulley with a wire rope, by meansof which a thermometer can by raised to the top and the heat regis-tered. This immense stack, as well as all the brick and other masonwork, was constructed by Messrs. Whidden &am

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