The Photos listed above  are of actual Tubes which you are  buying

ROUND PLATE 

US ARMY SIGNAL CORPS

10535-PHILA-43

made in U.S.A

Black Base,Clear Glass

New In Gvt original box

The tube tested is 100% strong

Tested Advance Digital Tube Tester Amplitrex AT1000Sr.No.3567023.  T1 Ia=4.0ma Gm=1600

T2 Ia=4.3ma Gm=1700

Sr.No.3567021.  T1 Ia=3.9ma Gm=1700

T2 Ia=3.9ma Gm=1700

We accept order with combine shipping

All tubes tested on our Amplitex AT1000 A Advance Tubes Tester to preform the test as mentioned and to ensure that the tubes are in factory specs (working) before listing them. All tubes are checked for Shorts, Emission, Life test, and Leakage. Emissions/life test on this meter Tube tested: No leaks, No shorts, Good emissions Tube tested emissions (100) life test (100)Tube tested strong. Our experienced shipper will package your item(s) with care. Through Expedited delivery within 5 days by DHL,FEDEX,UPS, with tracking Number. We also combine multiple purchases. Our shipping carriers include , FedEx. We reserve the right to ship using the carrier and shipping method that is most effective for your purchase.

About us

We specialized in thoroughly tested and screened quality vacuum tubes. We have various type of valves and tubes testers Like – Amplitrex AT1000 Advance Digital Tube Tester,  – Hickok 752a tube tester, – AVO Type 160We have been in the valve and tube Business Since 1970’s.Previously we were better Known as a Wholesaler, but recently, We are offering more retail items. All item are tested and guaranteed and supplied. We have Approximately 3,00,000 Valve and Tubes Stock

PLEASE CONTACT US IF YOU REQUIRE FURTHER INFORMATION ABOUT  THIS TUBES & VALVES