TY  - BOOK
AU  - Perrigo, A.E.B
TI  - Electricity supply meters: Perrigo, A.E.B
U1  - 621.3746 
PY  - 1947///
CY  - London
PB  - Chapman & Hall Ltd
KW  - MCE
N1  - 0; 0; 0; 621_374600000000000_PER
ER  -