All vacuum tubes through GS-5A China military tester for testing.
Brand: GE ( made in USA )
Tube Type: 5751 Black Plates 3 Mica Square Getter
Date Code: made in 1953
Test results: ( Minimum gm0.875ma/v , new gm1.25ma/v)
(1) gm 1.60 / 1.65 ma/v
(2) gm 1.65 / 1.60 ma/v
Shipping and handling: $ 10 .
INTEGRATED TRANSPORT
You can purchase more than one item for only $10 shipping. I will refund the remaining shipping cost.
SHIPPING
(1) Shipped to United States about 15-20 working days.
Shipping is via USPS Air registered Mail.
(2)Shipped to worldwide about 20-30 working days.
Shipping is via Hong Kong Post Air registered Mail .
Note:
Transport time will be subject to bad weather, flights,Detained in customs and holidays (eg Christmas Eve) effects. Project may be delayed, I can not control the transit time. If you have problems, please contact us! We try to help you solve the problem.