Title
Vacuum tube type 7AK7
Catalog Number
102732609
Type
Physical object
Description
This is a pentode in a glass envelope with an eight-pin loctal base. This is a spare tube for Bus Driver Flip-Flop Storage Rack S/N 6.
Date
1938 ca.
Manufacturer
Sylvania
Place Manufactured
U. S.
Identifying Numbers
Model number |
7AK7 |
Printed in silver on top of the glass envelope. |
Other number |
AK358 |
Written in silver ink near the bottom of the glass envelope. |
Other number |
MSV17-1 |
Written vertically in silver ink on the glass envelope. |
Dimensions
overall: 3 in x 1 1/8 in x 1 1/8 in
Category
Component/vacuum tube
Credit
Gift of the Digital Equipment Corporation