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No. Author Recipient Title Date Context
1 Washington, George Burwell, Carter From George Washington to Carter Burwell, 20 April 1755 1755-04-20 ...lost at the same time a very valuable, and uncommon Circumferentor .... A circumferentor, or...
2 Wilkinson, James Hamilton, Alexander To Alexander Hamilton from James Wilkinson, 6 September … 1799-09-06 ...’s chain, 3 cases mathematical instruments, 1 sextant and circumferentor” (
3 Wood, John Jefferson, Thomas John Wood to Thomas Jefferson, 6 April 1816 1816-04-06 A circumferentor would answer the purpose of horizontal angles; but as...
4 Briggs, Isaac Jefferson, Thomas To Thomas Jefferson from Isaac Briggs, 31 October 1805 1805-10-31 ...capable of ascertaining a course by the Circumferentor and of running and measuring a straight...
5 Jefferson, Thomas Nicholas, Wilson Cary Thomas Jefferson to Wilson Cary Nicholas, 19 April 1816 1816-04-19 Circumferentor with cross spirit levels on it’s face, a...
6 Jefferson, Thomas Wood, John Thomas Jefferson to John Wood, 1 April 1816 1816-04-01 and will a Circumferentor with a graduated rim, a fixed, and a moveable......circumferentor is a...
7 Washington, George George Washington’s Professional Surveys ...Boundary line bearings were determined with a circumferentor, or plain surveying compass as it...
8 Editorial Note: Locating the Federal District .... These instruments included a brass circumferentor, a surveying compass made...
9 Jefferson, Thomas Memorandum Books, 1805 1805-01-01 ...him was what would be called today a circumferentor; it was eight inches in diameter and...