TY  - BOOK
AU  - EFY Enterprises 
TI  - Electronics projects 
SN  - (pbk)
U1  - 621.381 
PY  - 1995///
CY  - New Delhi 
PB  - EFY Enterprises 
KW  - Engineering
KW  - Electronic phone lock
KW  - Digital tachometer
KW  - Multiway switches
KW  - Headphone amplifier
KW  - Electronics
KW  - FEAS
N1  - Vol.7 A collection of creative constructions projects and circuits ideas published in electronics for you during 1986
ER  -