Title
Vacuum tube type 5591Catalog Number
102682053Type
Physical objectDescription
One (1) vacuum tube. Lot description indicates that this was used on the Harvard Mark III calculator built for the U.S. Navy Proving Grounds.Manufacturer
Western ElectricPlace Manufactured
U.S.Identifying Numbers
Other number | 126 | |
Other number | 403B | |
Other number | 5591 | Tube type |