[Heathkit] revised list of for sale SK items

[Dave Haney]

Heathkit IT-17 Tube tester with manual  $100 (shipping max. $25)
Heathkit HM-102  $50
Heathkit IG-42 laboratory Generator $ 50
Heathkit IG-4505 Oscilloscope calibrator $ 35
  Heathkit HP-13 DC Power supply $30
Heathkit Condenser Checkers (3) @ $25
Heathkit IM-18 VTVM $25
Heathkit Oscillator Calibrator $25
Heathkit GD-1B Grid Dip Meter 20
Heathkit IM-12 signal Tracer $20
Heathkit EF-2 $10