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How to make and use an A frame for plotting a contour 

Patch of the Planet
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An A-frame is a very simple tool for finding and plotting out a contour on a piece of land. In this video we show you how to use an A-frame and how to make an A-frame with just a few pieces of wood, some screws and some string (and an optional spirit level).

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3 окт 2024

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Комментарии : 6   
@kya_argiedenoso3847
@kya_argiedenoso3847 Год назад
Thank you, I already got it. This solves my problem in my subject in Watershed Management ❤
@chrisbouris3699
@chrisbouris3699 Год назад
yeap I finally got it. I think you just save me a bunch of money for not buying that lazer. Thanks a lot
@anthonyburke5656
@anthonyburke5656 11 месяцев назад
This is the primary instrument used by builders of the Roman Empire, they called it a “Groma”. It wasn’t a Roman Invention, they got it from the Etruscans, who got it from the Greeks, who got it from the Middle East!
@monoarhossain524
@monoarhossain524 2 года назад
Thank you
@achsahkaleb4844
@achsahkaleb4844 2 года назад
best video of how to use it. pity you used a wide lens.
@malcolm2587
@malcolm2587 11 месяцев назад
Take a tripod and a a rifle scope and 8in torpedo a stick with a rule on it very similar to what the Egyptians used to build the pyramids
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