TY  - BOOK
AU  - Drysdale, C. V. 
AU  - Jolley, A. C.
TI  - Electrical measuring instruments
PY  - 1924///
CY  - London : 
PB  - E. Benn, 
KW  - INSTRUMENTOS DE MEDICION
N1  - Contiene: T. I Commercial and indicating instruments
ER  -