CHM Revolution

Date Introduced

1954 ca.

Photographer

Richards, Mark

Dimensions

overall: 47 in x 43 in x 16 in

Manufacturer

Powers-Samas Accounting Machines, Ltd.

Credit Line

Gift of The Institute of Terrestrial Ecology

Copyright Owner

© Mark Richards

Location

United Kingdom

Keywords

Unit record equipment; Biology

Object ID

102692753

Cards punched for the Atlas of The British Flora had to be put in order before they were sent to the printer. This sorter could handle more than 300 cards a minute.