Artifact Details

Title

Vacuum tube type 252551

Catalog Number

102673137

Type

Physical object

Description

Vaccum tube consists of a glass tube with circuits inside connecting to 9 prongs on one end. Apparently unused tube in original field stocking box. Box is marked "INVENTORY ITEM USAGE MUST BE RECORDED," in white on a red background. There is a small scratch across left foot of "M" in IBM".

Manufacturer

International Business Machines Corporation (IBM)

Place Manufactured

U.S.

Identifying Numbers

Other number 188-5 To left of IBM logo.
Other number 62-02 Opposite IBM logo.
Other number 6211A On box.
Other number 64-35 To left of IBM logo.
Other number E022 On top of tube.
Part number 252551 On side of tube and on box.

Dimensions

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

Category

Component/vacuum tube

Credit

Gift of Greydon C. Freeman

Lot Number

X3755.2007