Artifact Details

Title

Vacuum tube

Catalog Number

102682292

Type

Physical object

Place Manufactured

U.K.

Identifying Numbers

Model number 12 ?T7 ? is illegible.
Model number ECC 81
Other number 10 Molded on glass on bottom.
Other number 650 R6G

Dimensions

overall: 3/4 in x 3/4 in x 2 1/4 in

Description

The manufacturer mark is illegible on this tube.

Category

Component/vacuum tube

Credit

Gift of Gene M. Amdahl

Lot Number

X1040.90