Expansion switches now employed in new construction and relaying work by London Passenger Transport Board; switches, which consist of rail ends joined in form of stock rail and switch rail mounted on slide chairs and held together by specially designed clips, are used in conjunction with continuously welded rail; arrangement permits relative longitudinal movement in two rails of up to 6 in. (See also Transport World v 101 n 3231 Mar 12 1947 p 197)
New type of rail joint
Passenger Transport
Passenger Transport ; 96 , n 2434
1947
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1947
Engineering Index Backfile | 1942