Illustrated description of probably the heaviest railroad drawbridge in the world; it is 400 ft. long, with a depth at center of 64 ft., and weighs 2500 tons. A detail is given of the track-locking apparatus. (2700 w.)
The New York Central four-track drawbridge over the Harlem River
R R Gaz
1896
Aufsatz (Zeitschrift)
Englisch
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The Harlem River four-track drawbridge
Engineering Index Backfile | 1893
Drawbridge interlocking on New York Central
Engineering Index Backfile | 1946
Temporary bridge over the Harlem River
Engineering Index Backfile | 1892
|Automatic interlocking for drawbridge
Engineering Index Backfile | 1933
Electric railway drawbridge safeguarding
Engineering Index Backfile | 1916
|