Specification for black bolts, screws and nuts, hexagon and square, with B.S.W. threads, and partly machined bolts, screws and nuts, hexagon and square, with B.S.W. or B.S.F. threads— 22 стр.
Specification for railway turnouts for private users, Light grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 10 tons, using flat bottom rails— 30 стр.
Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons, Turnouts using bull head rail— 42 стр.