-40%
SYLVANIA SS-501 TUBE
SYLVANIA SS-501 TUBE
SYLVANIA SS-501 TUBE
SYLVANIA SS-501 TUBE

SYLVANIA SS-501 TUBE

$ 7.91

Availability: 149 in stock
  • Condition: New
  • Refund will be given as: Money Back
  • MPN: SS-501
  • Compatible Brand: Universal
  • Return shipping will be paid by: Buyer
  • Item must be returned within: 30 Days
  • Restocking Fee: No
  • All returns accepted: Returns Accepted
  • Country/Region of Manufacture: United States
  • Brand: SYLVANIA
  • Type: ELECTRON TUBE

    Description

    NEW SYLVANIA SS-501 TUBE.  I HAVE PLATE CAPS WITH 16" LEADS LISTED FOR THESE- ITEM # 402800225447.   THIS IS A VERY INTERESTING PIECE OF HISTORY.  THESE WERE USED IN DEPTH-SOUNDER EQUIPMENT TO DETECT SUBMARINES ABOARD MERCHANT MARINE SHIPS DURING WW11.  ANOTHER SOURCE STATES THESE WERE USED AS FLASH TUBES IN MARINE BOUYS.