Artifact Details

Title

Vacuum tube type F340

Catalog Number

102673148

Type

Physical object

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 white on a red background. The bottom of the 3 in "60-34" is scratched.

Manufacturer

International Business Machines Corporation (IBM)

Place Manufactured

U.S.

Identifying Numbers

Other number 188-5 To left of IBM logo.
Other number 60-34 Opposite IBM logo.
Other number 61-35 To left of IBM logo.
Other number 6350 Etched on glass above IBM logo and on box.
Other number F340 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

Category

Component/vacuum tube

Credit

Gift of Greydon C. Freeman

Lot Number

X3755.2007