CHM Revolution

Date Introduced

1963

Photographer

Richards, Mark

Dimensions

1/2 x 5 3/4 x 1/2 in.

Manufacturer

RAND Corporation

Copyright Owner

© Mark Richards

Location

United States

Keywords

Pointing; Input

Object ID

X413.84A-B

This was among the earliest devices for capturing handwriting and drawings. A grid of wires under the surface transmitted coordinates to the stylus above.