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Artifact Details

Title

Vacuum tube XXL

Catalog Number

102757803

Type

Physical Object

Description

This is a Loctal base vacuum tube. It is a medium triode also known as the 7A4.

Manufacturer

Philco

Place Manufactured

US

Identifying Numbers

Part number

XXL

Dimensions

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

Category

Component/vacuum tube