192p. $6.95; $3.95pa. LC 69-14556. Contains circuit diagrams and descriptions for building 104 different projects from readily available inexpensive parts. Includes radio receivers, transmitters, code-keyers, electronic bugs, signalling devices, anbsp;...
|Title||:||Guide to Reference Books for School Media Centers|
|Author||:||Christine Gehrt Wynar|
|Publisher||:||Littleton, Colo. : Libraries Unlimited - 1973|