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Scientific American, Vol. 81, No. 19 (1899) (1899)
leaf 3
rtion of the appliances necessary for its operation on the underground trolley Sudbury system) and the remainder was drawn from long through rock so compact as not to require a lining for half its length, (2) a system. The old rails, which weighed 8:0 masonry aqueduct, seven miles long, witha… … ASSABET BRIDGE, ON LINE OF AQUEDUCT. taking a northeasterly work had to be done © 1899 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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