Flat Earth Lies #1
"Earth is always measured flat"
- ) begs the question of "how far" "with what tools"
-) never backed up by measurements
-) bringing up the strawman of planar surveying showing the misunderstanding of "planar approximation." for convenience.
Geodetic Surveys:
Massachusetts Commonwealth Survey (1830s)
Fire Island Base Line Survey (1834)
These surveys played a crucial role in early geodetic efforts, laying the groundwork for modern geodesy and demonstrating Earth's spherical shape.