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Theodolites, semaphore, trigonometry and some "Big Lebowski" references — everything you wanted to know about the peace sign and a few things you didn't.
ORIGINAL AIRDATE: October 27th, 1986 --- MacGyver protects a group of juvenile delinquents from rattlesnakes, mountain lions, and each other MISSION: MacGyver is assigned to take over as scout leader for a group of teenaged gang members sent on a wilderness hike for rehabilitation. Can they learn to work together to survive in the wild? This week's highlights include: Theodolite (Topography) A theodolite is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes in fields like meteorology and rocket launch technology. Check out the article on wikipedia: https://en.wikipedia.org/wiki/Theodolite Watch S2E5: "Final Approach" on CBS's website or check the alternative streamability of this episode here.
A map of Ireland from the 19th century. Discussion of military and tax related reasons for drawing up the map.
Transcript -- A map of Ireland from the 19th century. Discussion of military and tax related reasons for drawing up the map.