TY  - BOOK
AU  -  Battey,Edward William
AU  -  Linford,A.
TI  -  Instrument encyclopedia / 
U1  -  Q 507.8 BAT 
PY  - 1958///
CY  -  London : 
PB  -  Herbert Pub. Co., 
KW  -  Instrument industry
KW  -  Great Britain
KW  -  Directories
ER  -