1.75 tube for sale, brand-new and used.

NO OTHER 539B/C MANUAL AVAILABLE ANYWHERE CAN COMPARE WITH THIS ONE Nearly 5,000 Tube Types Represented With Data. INCLUDES all data up through Hickok's last 1974 Roll Chart You Simply WILL NOT FIND A More Complete, TYPESET Tube Data Compilation Reference for the Hickok 539B 539C Tube Testers.....PERIOD.....AND it can start saving YOU Time and Frustration for less than the cost of ONE Good Audio Tube!!!! ***NOW INCLUDES 11x17 Schematics For Both 539

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) UNITED STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIRWBB59901 Condition: New Description: U-Tube Infrared Heater - Industrial/Commercial

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIRWBB59810 Condition: New Description: U-Tube Infrared Heater - Industrial/Commercial Featu

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIR103202L Condition: New Description: Straight Tube Infrared Heater - Industrial/Commercial

The GK-plus4 ULTIMATE FULL FEATURED Arduino compatible DIY Geiger Counter Kit number 115 by Atomic.dave This is the fourth model in the GK-plus series of meters, this time with LND712 FEATURES: Internal Alpha Beta Gamma Xray sensitive Am

MGM INSTRUMENTS GEN-PROBE 100 SB100 TUBE DRY HEAT BLOCK VORTEXER INCUBATOR - USED w/GUARANTEE

MGM INSTRUMENTS SB100 GEN-PROBE 100 TUBE DRY HEAT BLOCK VORTEXER INCUBATOR - USED w/GUARANTEE

GYRUS ACMI - 3 Boxes Pope Vent Tube (6ct / box)

Offering the lowest price on eBay or anywhere on the net. We are liquidating our entire stock and all must sell. Get them before they're gone!

New clear cast acrylic cylinder tube. This piece has some shelf wear on it, minor scratches and what looks like a little overspray. Outside diameter: 8" Inside diameter: 7.5" Length: 11.75" Wall thickness: 1/4"

New clear cast acrylic cylinder tube. Outside diameter: 6" Inside diameter: 5.5" Length: 17.75" Wall thickness: 1/4"

New clear cast acrylic cylinder tube. Outside diameter: 8" Inside diameter: 7.75" Length: 20.375" Wall thickness: 1/8"

Test Tube Rack Stand Plastic Holds 40 Tubes x 20mm Lab Supplies Chemistry Frame Ideal for laboratory, can provide clear view of the tube contents and convenient insertion and removal of tubes. Test tubes are usually held in special-purpose racks, clamps, or tongs.&nb

TT-200 Test Tube Preform Rack Kit 6 Plastic Safety

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The abyx-Gk5 CUSTOM FULL FEATURED Arduino compatible DIY Geiger Counter Kit 123 by Atomic.dave FEATURES: Internal Alpha Beta Gamma Xray ULTRA-Sensitive American made LND7317 Pancake tube with Ludlum 44-9

Windscale 2.0 CUSTOM FULL FEATURED Arduino compatible DIY Geiger Counter with LND712 PROBE & Baton GK5 series Kit number 121 by Atomic.dave FEATURES: Aluminum Probe Alpha Beta Gamma Xray sensitive American made LND712 with Stainless steel grill 3.7v, 3400mAh Lithium Ion batt