This is a used Hickok 539B/C roll chart dated 1963 with wood rollers in good condition.


This Hickok 539B/C roll chart is $20 plus shipping.
Contact Me if you are interested in this roll chart.
This is a used Hickok 539B/C roll chart dated 1963 with wood rollers in good condition.


This Hickok 539B/C roll chart is $20 plus shipping.
Contact Me if you are interested in this roll chart.
This Hickok 600A has been electrically restored, serviced, and calibrated. All normal age-related repairs have been completed, and a new replacement meter has been installed for accurate readings. The case and
Restored Hickok 539B tube tester with replaced capacitors, resistors as needed, and a new tube test roll chart. Fully serviced and tested for accurate, reliable tube measurements.
B&K 707 dynamic mutual conductance tube tester – fully restored, calibrated, and ready for service. Includes repaired tube settings book.
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