
Specification for railway turnouts for private users. Turnouts over which British Railways locomotives operate. Turnouts using flat bottom rail.
STANDARD published on 12.5.1971
Designation standards: BS 4521-1.2:1971
Note: WITHDRAWN
Publication date standards: 12.5.1971
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: British technical standard
Category: Technical standards BS