TY  - BOOK
AU  - John Povall
ED  - Heinemann Publishers
TI  - Science Quest: magnets and cirfcuits
SN  - 0431076006
U1  - 538 
PY  - 1994///
CY  - [Place of publication not identified]
PB  - Heinemann Publishers
N1  - Includes index; Electricity & batteries---Conductors & switches----Circuits---Sensors & timers---Current---Resistance---Logic gates--Static electricity--Magnets--Magnets & electricity---Magnets & motors---Transformers--Diodes & relays---Electricity distribution---Electricity & money
ER  -