Heathkit Troubleshooter Heathkit SB221 Heathkit Probes 309C & 33

Heathkit Troubleshooter, Heathkit SB-221, Heathkit Probes Models 309-C & 336, written & published by Heath Co, Benton Harbor, MI, 1971. Various Editions. Paperback. Size 4to (up to 12'' tall). Condition: Good to VG. 28 Pgs. 1] Instructions for the Heathkit Troubleshooter Volt-Ohmmeter, 14 pgs, ink checkmarks in margins. l. 2] Correspondence from GL Van Vleet, Manager, Parts Department, Heath Co regarding conversion of the Heath SB-221 to allow 10 meter operation. Parts list required for the conversion. (2 copies of letter & parts lists included). 3] Assembly and Operation of the Heathkit R. F. Probe Model 309-C. 6 pages. Illustrated, with parts list. 4] Instruction Sheet for the Heathkit High Voltage Probe Model No. 336. 2 pages. (2 copies included). Description text copyright 2017 www.BooksForComfort.com. Item ID 32197.