Artifact Details

Title

Vacuum tube type P104

Catalog Number

102673149

Type

Physical object

Manufacturer

International Business Machines Corporation (IBM)

Place Manufactured

U.S.

Identifying Numbers

Other number 188-5 To left of IBM logo.
Other number 6350 Etched on glass above IBM logo and on box.
Other number 64-10 Opposite IBM logo.
Other number 64-35 To left of IBM logo.
Other number P104 On top of tube.
Part number 252550 On tube and on box.

Dimensions

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

Description

Vaccum tube consists of a glass tube with circuits inside connecting to 9 prongs on one end and a silver coating on the inside of the other end. Apparently unused tube in original field stocking box. Box is marked "INVENTORY ITEM USAGE MUST BE RECORDED," in black on red stick-on label. The "5" in "188-5" is faded on the right side and "P104" is faded.

Category

Component/vacuum tube

Credit

Gift of Greydon C. Freeman

Lot Number

X3755.2007