TY  - BOOK
AU  - Brown,Robert M.
AU  - Kneitel,Tom
TI  - 49 easy entertainment and science projects
U1  - 621.381 
PY  - 1969///
CY  - England
PB  - W. Foulsham and Co.
KW  - Science projects
KW  - Electronics
KW  - Electronic apparatus and appliancew
KW  - Amplifiers [Electronics]
KW  - Radio
KW  - Receivers and reception
ER  -