A Device Used to Count Steps
This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1441, Puzzle 3 (Telescopes).
Question is: A Device Used to Count Steps
and the answer is: PEDOMETER
Word Meaning:
PEDOMETER — A device, often electronic, that measures the number of steps taken, and thus estimates the distance walked.
Definitions from Wiktionary.