TY  - BOOK
AU  - Royal Engineers
TI  - Royal Engineers supplementary pocket book no 8b: Mechanical engineering
U1  - 621 
PY  - 1957///
CY  - GHQ
PB  - General staff Tranning publication
KW  - MCE (D)
N1  - 0; 0; 0; 621_000000000000000_ROY
ER  -