Title
305 RAMAC name plateCatalog Number
102766477Type
Physical ObjectDescription
The object is a name plate/ patent plate for the IBM 305 RAMAC process unit. Random Access Method of Accounting and control [RAMAC] was the first magnetic disk storage device.The object is rectangular with holes in each corner for screws. The card is divided into three horizontal sections. The top and bottom section are black with silver print and the middle section is silver with black print.
Date
1956Manufacturer
International Business Machines (IBM)Place Manufactured
New York, NY, U.S.A.Identifying Numbers
| Model number | 305 | Located on the face of the object. The twop printed line of text. |
| Other number | 2,708,722 | Patent number located on the face of the object. |
Dimensions
overall: 1/8 in x 3 1/2 in x 2 inCategory
Ephemera/NameplateLot Number
X8358.2018