Vintage - Heathkit Kit Builders Guide Booklet 1965

Vtg HEATHKIT CATALOG Do-it-yourself electronics Guide for first-time kit builder

Amplifier Builders Guide-Gernsback Library No. 33- 1947 64 pgs.

Vintage 1964 Heathkit Model GD-51 Wireless Intercom Manual w/kit builders guide

Amplifier Builders Guide-Gernsback Library No. 33- 1951 64 pgs.

Heathkit AR-1500 AM FM Solid State Receiver Assembly Manual

1947 Amateur Radio Builders Guide-Gernsback Library No. 35

Heathkit Kit Builders Guide Booklet 1965 and 1971