Artifact Details

Title

Vacuum tube type SR1407

Catalog Number

102734996

Type

Physical object

Description

This is a Sylvania developmental power pentode in a glass envelope with an eight-pin loctal base. This is a spare tube for Bus Driver Flip-Flop Storage Rack S/N 6.

Date

1925 ca.

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

Model number SR1407 Printed in silver on top of the glass envelope.
Other number AD59744 Stamped in green ink near the bottom of the glass envelope.
Other number IORDC 34 V8-1 Handwritten vertically in silver ink on the glass envelope.

Dimensions

overall: 2 7/8 in x 1 1/8 in x 1 1/8 in

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82