Artifact Details

Title

Vacuum tube type SR1407

Catalog Number

102732084

Type

Physical object

Date

1925 ca.

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

Model number SR1407 Printed in silver ink on top of the glass envelope.
Other number O 1D3 V22-2 Handwritten in green ink vertically on glass envelope.

Dimensions

overall: 3 1/8 in x 1 1/4 in x 1 1/4 in

Description

This is a pentode in a glass envelope with a loctal base. This is a spare tube for Register Driver S/N 6.

Category

Component/vacuum tube
 

Related Records

102630997 Whirlwind register driver