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Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Harper's Round Table, June 4, 1895

Harper's Round Table, June 4, 1895

Paperback

Currently unavailable to order

ISBN10: 1153654482
ISBN13: 9781153654487
Publisher: General Books
Pages: 50
Weight: 0.19
Height: 0.12 Width: 9.02 Depth: 6.00
Language: English
Excerpt: ...in order that he might get in in these 80 feet all the different forms of railway construction Dr. Warneford has made the track so that it runs over some of the uneven spots in his yard, and in this way, in the places where bridges are required, he has constructed that form of bridge which would naturally be best suited to the particular form of ravine or cavity over which the road is to run. One of the prettiest of these bridges is a thoroughly constructed cantalever bridge, on the form of the great Forth Bridge between Scotland and England, which passes over a little excavation immediately after the train has come out of a long, thoroughly constructed tunnel, the entrance to which appears in two of the illustrations. Another bridge is a perfectly constructed skew arch, which the train crosses a few feet after leaving Chicago. Then comes the model of an American trestle, and after passing over this the road runs through the tunnel, over the cantalever bridge, through a cutting, and finally over a steel tubular bridge into Jericho. THE STEEL TUBULAR BRIDGE. Besides all these constructions, the proportions of which can be easily seen by comparing them with the ordinary size bricks of the stone wall, the road is fully equipped with complete sets of signals, which can be and are worked with telegraph wires and posts. There are not only signals for connections and ordinary use, but Dr. Warneford has even constructed a fog-signal apparatus, which is worked by a spring when the engine passes over it, causing a hammer to fall on a small blank cartridge; and this, exploding, is the signal for the train to come to a stop at a time when, either on account of fog or similar impenetrable mist, the ordinary signals would be of no use. JERICHO. As to the train itself, that consists of a locomotive, which is a complete model of an ordinary English engine. The steam is generated by spirits, and the engine draws a Pg 581 couple of trucks and a passenger-car. When...