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Artifact Details

Title

Vacuum tube

Catalog Number

102682292

Type

Physical object

Description

The manufacturer mark is illegible on this tube.

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

Category

Component/vacuum tube

Credit

Gift of Gene M. Amdahl

Lot Number

X1040.90