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Group:
sliderule
Message:
13362
From:
Cyril Catt
Date:
25/03/2002
Subject:
Sighting: Treadmill SR
Hi folks,
This week's New Scientist has a picture of a 'slide rule' that was used
in the late 1800s to ensure British convicts doing hard labour got their
appropriate time on the treadmill.
Cyril Catt