Pictures speak for itself. View them all and carefully. You'll see for yourself this is one of the finest examples of the Hickok 6000A Dynamic Mutual Conductance Tube Tester. The outside has very few

 

#173 PAIR OF NOS NIB RCA 5691 RED BASE TUBE TESTING AT 114/117&110/124% Free shipping worldwide and they come with a 14 day guarantee. They test at 114/117&110/124% with no shorts, no grid lea

 

–––– EL84 – Lot of 4 - BRIMAR BVA (NOS) Tubes (VERY RARE!!) –––– in white boxes!, (4x tubes) we will shipping International! thanks and kind regards

 

church6124 Store RARE 1926 NATHANIEL BALDWIN UTAH SPEAKER

 

This NIB NOS Philips Miniwatt GZ32 / 5AQ4 Rectifier tube loudly proclaims to be made in Holland but it has codes for Mullard made. . This tube was  tested on an AVO 163 and tests balanced and as new.

 

This calculator is in like new shape, box is a little worn but manual and slip case are good.

 

This auction is for a gorgeous Silvertone Teledial radio. The model number is 4769 and it dates back to 1937. I'm sure that this model is quite rare as it's the first one that I've ever come across, a

 

The auction is for a pair of used Mullard EL37 tubes. This highly desirbale pair of tubes are in fair cosmetic shape. One has very little writing left. The date code on the readable on is R61 B6L. I b

 

Description Metallized Polyester Film (MKT) Capacitors Assorted Kit.10nF ~ 470nF, 10 values, total 100 PCS (each value 10 PCS).Capacitance Tolerance: +/- 10%.Temperature Range: -55C ~ 105CPerformance

 

Vintage ERIC ENGINEERING 2160 TUBE STEREO AMPLIFIER This vintage classic is very rare. They were made in Santa Monica, California by Eric Engineering. The 2160 uses 4 - 6BQ5's, 2 - Mullard 7247's and