Title
Vacuum tube type SR1407Catalog Number
102732206Type
Physical objectDescription
The object is from the Whirlwind collection. The tube has 8 pins.Date
1925 ca.Manufacturer
SylvaniaPlace Manufactured
U.S.Identifying Numbers
Model number | SR1407 | Stamped on the top of the object |
Other number | 11BDFV6-1 | Written on the side of the object |