A
kit product of the
Heath Company of
Benton Harbor,
Michigan, long
defunct. Heath kits included bound, complete step-by-step
assembly manuals, a chart with a drawing of every part, including
nuts, and complete
schematics. Every
manual included a short course on how to
solder. Popular kits included
ham radio receivers and
transmitters and other
RF-related gear.
Heath was abosrbed by Schlumberger which sold it to Zenith.