What is a Tachymeter and what does it do?
Tachymeter scales can be used to compute speed based on travel time or measure distance based on speed. They are identifiable by the words “units per hour” at the beginning of the scale.
Read moreTachymeter scales can be used to compute speed based on travel time or measure distance based on speed. They are identifiable by the words “units per hour” at the beginning of the scale.
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