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Volumes

1. Vol 1 A Surplus Scope and a Service Bench, 1947–1954
2. Vol 2 Printed Circuits and the I-Prefix, 1955–1966
3. Vol 3 Solid State, Nixies and Heath/Schlumberger, 1967–1979
4. Vol 4 Zenith, the Assembled Bench and the Last Kits, 1979–1992
5. Vol 5 The Heathkit Bench Today
6. Vol 6 Every Heathkit Instrument, Model by Model