Computer History Museum

Object consists of magnetic head with attached shielded cable and plug. Believed to be part of drum memory used on the Harvard Mark III. Pole tip width approx. 3/32".

Type
Physical Object
Catalogue number
102682075
Harvard Mark III magnetic head

Object consists of magnetic head housing. Believed to be part of drum memory used on the Harvard Mark III. "HARVARD COMPUTATION LABORATORY" cast into housing.

Type
Physical Object
Catalogue number
102682077
Harvard Mark III magnetic head housing

Object consists of magnetic head housing. Believed to be part of drum memory used on the Harvard Mark III. "HARVARD COMPUTATION LABORATORY" molded into housing.

Type
Physical Object
Catalogue number
102682078
Harvard Mark III magnetic head housing

Object consists of 2 magnetic pole pieces, consisting of laminated metal, which are wired together. Width of each is 3/32".

Type
Physical Object
Catalogue number
102682079
Harvard Mark III magnetic pole pieces (2 wired together)

Object consists of magnetic head. Believed to be part of tape unit used on the Harvard Mark III. Pole tip width approx. 3/32".

Type
Physical Object
Catalogue number
102682076