Artifact Details Title Harvard Mark III magnetic head Catalog Number 102682074 Type Physical object Date 1949 Manufacturer Harvard Computation Laboratory Place Manufactured U.S. Dimensions overall: 1/2 in x 4 1/2 in x 4 in Description Object consists of magnetic head with attached shielded cable. Believed to be part of drum memory used on the Harvard Mark III. Pole tip width approx. 3/32". "HARVARD COMPUTATION LABORATORY" is molded into plastic housing. Category Memory/drum