Artifact Details

Title

Vacuum tube type 6145

Catalog Number

102735604

Type

Physical object

Date

ca. 1951

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

Model number 6145 Printed in silver ink on top of the glass envelope.
Other number 19PDBII V1-1 Handwritten vertically in green ink on the glass envelope of the above tube.
Other number 20 FR V5-3 Handwritten vertically in green ink on the glass envelope of the above tube.
Other number 27-FR V5-5 Handwritten vertically in green ink on the glass envelope of one tube.
Other number 9RD V6-3 Handwritten vertically in green ink on the glass envelope of the above tube.
Other number DE1084 Stamped in green ink around the glass envelope toward the bottom of one tube.
Other number DE12060 Stamped in green ink around the glass envelope toward the bottom of one tube.
Other number DE18256 Stamped in green ink around the glass envelope toward the bottom of one tube.
Other number DE246 Stamped in green ink around the glass envelope toward the bottom of one tube.
Other number DE9077 Handwritten in green ink around the glass envelope toward the bottom of one tube.
Other number DEI 6572 Stamped in green ink around the glass envelope toward the bottom of one tube.

Dimensions

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

Description

There are eight tubes covered by this record. This is a power pentode vacuum tube with a loctal base. This is a spare tube for Bus driver arithmetic rack, S/N 10. Four of these tubes have a single number around the tube toward the base; three have both the number near the base and another written vertically; the final tube has a circle painted in yellow ink around the top of the tube.

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82