Artifact Details

Title

Vacuum tube type 252551

Catalog Number

102673136

Type

Physical object

Description

Vaccum tube consists of a glass tube with 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 smudge on the "M" of "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.
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