Specifies leading and fixing dimensions and materials for recommended types of vacuum brake cylinder for railway rolling stock. Cylinders with separate and combined reservoirs are included. A separate section gives particulars of items made from rubber. Methods of test are given in an appendix.Cross References:BS 24:Part 4BS 24:Part 6BS 218BS 250BS 251BS 350BS 903:Part A2BS 903:Part A6BS 903:Part A7BS 916BS 970BS 1083BS 1103BS 1134BS 1154BS 1400BS 1449BS 1452BS 1490BS 1775BS 1802BS 1806