Mechanical diagram (in hard copy) of the Magnetic Disk Assembly of the computer CSIRAC.

The first auxiliary memory for CSIRAC was a drum. Auxiliary memory was always referred to as a drum even though the later version was actually a disc.

The disk itself has a diameter of 296 mm with a thickness of 16 mm. The assembly is 330 mm high, 106 mm wide at its top and 167mm at its base.

Mechanical drawings show the physical construction of a component. They were used to define what was required in the manufacture of CSIRAC's hardware.

Technical details:
Mechanical Drawing. Subsystem: Drum. Drawn/checked by H. Paddie
Original Ink on Tracing Paper, Drawing Size B

Description of Content

Mechanical Drawing Original Ink on Tracing p. Subsystem: Drum

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