Upcoming Event

“Hands on”  18th Century Surveyor class  May 29, 2021 — 11:00 am & 2:00pm (two sessions) 11:00 – 12:00             Mapping the Fort (urban surveying)Military survey of grounds inside the fortPreparation of plat plan for use by military architect1:00 – 2:00                  Wilderness Survey (beyond fort’s walls)Military survey of trail and paths to mortar casematesPreparation of surveyor’s …

Vector Computations without the Benefit of Modern Trigonometry

Navigating from point to point is a relatively simple task for most surveyors or mariners.  You establish a compass bearing from where you are to your intended location then measure out the distance (or in the case of sailing a speed and a time) to the new location giving what we call today a vector.  …