Artifact Details

Title

Magnetic tape viewer

Catalog Number

102732333

Type

Physical object

Manufacturer

3M

Identifying Numbers

Other number 11274 Engraved into the top

Dimensions

overall: 1/2 in x 2 in x 2 in

Description

Object is metal disk with a round window. Inside is fluid containing iron particles. Device can be placed on a magnetic tape to reveal the bit pattern.
Packaged with it a piece of magnetic tape that was in the original wooden box.

Category

Memory & storage/tape

Credit

Gift of Lawrence Livermore National Laboratory (LLNL)

Lot Number

X4575.2008
 

Related Records

102732326 Magnetic tape viewer box