Machines for points, derailers, movable diamonds and facing-point or fouling bars. Hand-generator machines. Different requirements for use with bull-head and flat bottom switches.Cross References:BS 170BS 442
BS 581:1950
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for electrically-driven point-operating machines for railways
BSI Group , 12/13/1950
Pages: 12




