1 vintage RCA black plate square getter 12ax7 tube -tested- US $21.50

Vintage Radio Vacuum Tube: Sylvania 38HK7 - Tested Very Good US $3.99

A LOT OF 4 VARIOUS 6AQ8/ECC85 VACUUM TUBES TESTED US $19.99

Vintage Radio Vacuum Tube: GE 25DN6 - Tested Very Good US $3.99

A LOT OF 3 EUROPEAN MADE 6AQ8/ECC85 VAC TUBES TESTED US $24.99

2 vintage Mullard blackburn 7247/12dw7 tubes -tested- US $17.05

Vintage NOS RCA JAN CRC and Two VT-133 12SR7 Radio Tubes Hickok Tested US $6.00

NATIONAL UNION-6A7-N-VACUUM TUBE 100% TESTED. US $4.99

(4) SYLVANIA 5933WA AUDIO HAM VACUUM TUBES, TESTED @ 105%, 105%, 95% & 96% US $22.50

A VINTAGE PAIR OF WESTERN ELECTRIC 407A BLACKPLATE VAC TUBES TESTED US $9.99

Test Tube Aliens: Good #2- Yagoni. Brand New! US $39.75

TEST TUBE LAVA LAMP - GREEN GLOW MOTION - MODERN DESIGN US $9.99

set of 5 RCA vacuum tubes 6JM6A all tested good US $20.00

12" plastic test tube 250:2ML graduated new in plastic bag brewers wine making US $1.99

set of 5 RCA vacuum tubes 6KM6 all tested good US $20.00

137 Car Radio Tubes 12 Volt 1957 To 1960 NEW Tested US $149.95

set of 3 RCA vacuum tubes 6JM6 all tested good US $15.00

(5) NOS Test Amperex Bugleboy 6DJ8/ECC88 Audio Tubes US $51.00

(2) NOS Test Amperex 110% Same Code 1963 6922 GP Audio Tubes US $79.99

(3) NOS Test 110% Amperex 7308/E188CC PQ Audio Tubes US $83.00

(5) NOS Test Mullard + (1) Free 12AX7/7025 Audio Tubes US $225.00

1 Sylvania 12AX7 long (17mm) plate tube tests NOS Baldwin logo - great tone! US $17.89

(3) NOS test Solid Plate TS 6550 + (1) Free Audio Tubes US $152.50

Vintage Test Tube Holder / Rack US $24.95

11293-001 DeLaval Gyrotester Stainless Steel Test Tube Centrifuge, Bruel & Kjær Type 4206 Impedance Tube Kit Acoustic Material Testing, 2 Pcs NOS Western Electric 300B Tubes NIB and tested, Large Assortment of Lab Glass from Beakers Test Tubes Flasks Storage Many More, 72 BRIMAR BVA Valve Röhre England EL506 NOS NIB Tube with Socket Guarantee Test , tube furnace Lindberg Blue M 16" x 2" 1200 deg C split hinge UNUSED TESTED, LOT OF 10 USED, TESTED tubes GU 74B / GU74B /4CX800, HP AGILENT 8568B 100Hz- 1.5 GHz SHARP TUBE TESTED GOOD, GM Tube SBM-20 (lot of 50 pcs) including a FREE tester, no risk, test yourself, 72pc BRIMAR BVA Valve Röhre England EL506 NOS NIB Tube 7868 EL34 Guarantee Test , VF14 Tube Telefunken for U47 Neumann mikro test ok 100% see all my studo tubes, SUPERB Calibrated Hickok 6000 Tube Testing System & "RARE" COMPLETE MANUAL SET! , Lab Line 3520 Shaker with Test Tube Heat Block #3, Lab Line 3520 Shaker with Test Tube Heat Block #2, REBUILT COMPLETE VEECO MS 17-18 CEE TUBE TESTED, NOS RARE VINTAGE TUBE PX25 GECOVALVE TESTED, ORIGINAL RARE VINTAGE AKG N1 POWER SUPPLY FOR C12 TUBE MICROPHONE TESTED/WORKING, Tested Amperex EL34 Brown base Tube Pair 6CA7 Bugle Boy Holland 2 Vacuum tubes, Russian IN-18 NIXIE TUBES 25ps. BOX. TESTED , ATS Applied Test Systems Tube Furnace Series 3210 Split Tube Furnace , Russian IN-18 NIXIE TUBES 25ps. BOX. TESTED. , 18 Red/Green Plastic Lab Test Tube Trays/Racks/Organizer 17"L x 12"W x 3.5"D , Benchmark Scientific Everlast 3-80 RPM Variable Speed Test Tube Rocker, BR5000, Taylor Scientific 1624VS3 Centrifuge with 24 Slot Test Tube Rotor, 50 (Original Case) Raytheon JAN 2050 Vacuum Tubes NOS/NIB TV-7 Tested Mil Spec!, NOS RARE VINTAGE TUBE PX25 - F410 - RT - TESTED, Golden Tube Audio SE-40 Stereo Tube Power Amplifier, New Output Tubes, Tested, Hermle Z 230 MR Variable Test Tube Centrifuge Lab Vial, Beckman Type 50 Ti Rotor centrifuge VERY NICE test tube 50ti, 10-1000p Clear Glass Bottle Cork 25ml Test tube 3060, 10-1000pcs Glass Bottle Vial Cork 25ml Test tube 3060, GM Tube SBM-20 (lot of 20 pcs) including a FREE tester, no risk, test yourself, Telefunken & Mullard / Fisher 12AX7's original set of 9 tubes **Tested strong**, Microporous Test tube Shaker for Med & Lab TIMER UG, HP 3580A Spectrum Analyzer analyser tested and working BRAND NEW CRT TUBE, 2-500p Clear Glass Bottle Cork 60ml Test tube 30120, 2-500pcs Glass Bottle Vial Cork 60ml Test tube 30120, 05 FORD TAURUS ENGINE 3.0L "U", OHV, run Tested "YOU TUBE" hear, Hickok Model 530B Radio test / tube tester, THUNDERBIRD 6AC7GT GLASS ELECTRON TUBE - TESTED, RARE & NICE VINTAGE VALVO LK4200 TUBE - equivalent PX25 - TESTED, E88CC Valvo 5 new tubes original box test 100% all same data 15/15mA 7LE d8D1, 2000 CUSTOM BRANDED W/ YOUR LOGO Neon Test Tube Shots, RE604 Telefunken 2 tubes test ok 20mA and 10mA original West Germany see my AD1, 4x NEW JJ Tesla 300B Vacuum Tubes, Matched Quad TESTED , 10-1000p Clear Glass Bottle Cork 20ml Test tube 2750, 10-1000p Clear Glass Bottle Cork 20ml Test tube 2290, 2 Tube KT88 MULLARD (?) / GEC (?) ENGLAND UK TESTED, 6N8S=6SN7 METAL BASE tubes *MELZ*. TESTED. PS 12, 2 Tube EL34 6CA7 METAL BASE NOT TESTED , 10-1000pcs Glass Bottle Vial Cork 20ml Test tube 2290, 10-1000pcs Glass Bottle Vial Cork 20ml Test tube 2750, 10-1000p Glass Bottle Vial Cork 15ml Test tube 3040, 2-500p Clear Glass Bottle Cork 50ml Test tube 30100, Vintage Original GEC KT88 Tubes 7037 Matched Pair -Tested- 50% Life - Exc Cond , (13)1940's/50's Sylvania 6V6GT/G Tubes Maxi Matched Extreme Testing 90% +!, 10-1000pcs Glass Bottle Vial Cork 15ml Test tube 3040, 2-500pcs Glass Bottle Vial Cork 50ml Test tube 30100, 4x NEW Valve Art 300B VA Vacuum Tube, Matched Quad TESTED , Microporous Test tube Shaker for Med &Lab timer USG, Microporous Test tube Shaker for Med & Lab TIMER a, Glas Col Glas-Col Rotater 099A TC-108 Test Tube Hold, SMI Multi Tube Vortexer 2600 Tested working , McDaniel Test Fixutre Stand 316 SS Tube Socket, 10-1000p Clear Glass Bottle Cork 18ml Test tube 2270, 10-1000pcs Glass Bottle Vial Cork 18ml Test tube 2270, Quad RCA 6V6G Tubes 1944 NOS 6V6 VT-107B - Tested, 50 Sylvania 6SN7GTA/B Tubes (USA Chrome dome) all tested-most as NOS, Sylvania 6A5G Tubes Black Plates - Amplitrex Tested (5Pcs), Ken-Rad Radio Tube 2A3 NOS Tested, GE 8950 Tubes Tested @ 95 to 98%% - Matched Code Set of 5 *** Rare ***, (1) NOS RAYTHEON 2J37 MAGNETRON ELECTRON TUBE - U.S. NAVY - OCT 21 1943 -TESTED, Troemner VX-2400 Multi-Tube Vortexer Lab Mixer Shaker TESTED & WORKS GREAT, 9 NOS NIB Sylvania 6L6GC Guitar Audio Tubes Tested !, HP Agilent 623B Communications Analyzer X-Band SHF Test Set Tube Klystron NICE! , Matched Pair of RCA 805 Transmitting Triode TUBES TESTED, ATLAS TESTING XENON BURNER TUBE 3500/6500 WATT MADE IN GERMANY, 1982 PETER AND THE TEST TUBE BABIES VTG T-SHIRT tour OG, AD1 Valvo West Germany 1 tube test ok used no Telefunken AD 1 is the same, Pulse triodes GI-46B. New Tubes LOT OF 7 IN BOX. TESTED, GM Tube SBM-20 (lot of 10 pcs) including a FREE tester, no risk, test yourself, 8x NEW Genalex Gold Lion KT88 GEC 6550 Power Vacuum Tubes, Matched Octet TESTED, Dared SL-2000A pure tube preamp amplifier tested very rare !READ FIRST!, 2-500p Clear Glass Bottle Cork 40ml Test tube 3080, 3-500Z tubes matched pr.RF tested aged warr. free shipping and returns USA 48!!!, 2-500pcs Glass Bottle Vial Cork 40ml Test tube 3080, 10-1000p Glass Bottle Vial Cork 13ml Test tube 1880, WESTERN ELECTRIC VT-52 ENGRAVED BASE VT52 AUDIO TUBE TEST STRONG, Mullard ECC32 matched pair audio tubes double triodes tested new valves., 10-1000p Glass Bottle Vial Cork 13ml Test tube 1880125, 10-1000pcs Glass Bottle Vial Cork 13ml Test tube 1880, 2-500p Clear Glass Bottle Cork 35ml Test tube 3075, 2X RCA U.S. NAVY CRC 2A3 VACUUM TUBES NOS IN BOX TESTED, Fluke 412B High Voltage Power Supply with new output tubes and tested, DP Measurement TT470B Pitot Tube Test Set, IN-16 IN16 NIXIE TUBE 50ps. TESTED FOR NIXIE CLOCK !!!, 13 Sylvania 6V6GT/G VT-107 Tubes Maxi Matched Extreme Testing 90% +!, QUAD (4) Tube EL34 6CA7 GE FAT BOTTLE Test Matched OWN BOX , Russian 6P3S-E=5881=6L6GC tubes. Box. LOT OF 50. TESTED,