TY  - BOOK
AU  - Brown,Robert Michael
AU  - Kneitel,Tom
TI  - 49 easy entertainment & science projects
U1  - 621.302 23
PY  - 1969/// [Reprinted 1976]
CY  - Indianapolis
PB  - H. W. Sams
KW  - Electrical engineering
KW  - Amateurs' manuals
KW  - Science projects
N1  - Vol. 1. -- v.2 --
ER  -