Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 153
o be reversed its latch must first be Ufted, andthis locks such levers as are to be locked by a reversal of thelever in question before that lever can be reversed. Thus, in thelast diagram. Fig. 71, lifting the latch of lever 5 locks levers 3and 6 before lever 5 is reversed. This is known as… … Fig. 72. Saxby and Farmer 16 Lever Machine a ground floor or a low cabin on a bridge. The vertical type,requiring less floor space, are particularly suitable for a tall cabin. 128 SIGNALING Power Interlocking Machines. — When a large yard is to beinterlocked, manual interlocking becomes too slow…
Railroad engineering
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