Title
Vacuum tube type 7AD7
Catalog Number
102735578
Type
Physical object
Description
This is a power pentode in a glass envelope with an eight-pin loctal base. A 3 x 5 index card is scotched-taped around the tube, obscuring anything printed thereon. In addition to the tube type and manufacturer, "NR3127 - Box 1 - #13" is printed with red felt tip pen in red; there is also a description printed in pen indicating this object was used in Whirlwind,
Date
1959 ca.
Manufacturer
Sylvania
Place Manufactured
U. S.
Identifying Numbers
| Model number |
7AD7 |
Printed in silver ink on top of the tube. |
Dimensions
overall: 3 1/8 in x 1 1/8 in x 1 1/8 in
Category
Component/vacuum tube
