The new American practical navigator : being an epitome of navigation, containing all the tables necessary ... (1802)
Bowditch, Nathaniel, 1773-1838, Lee, Marvin, former owner. DSI, Stuart, Gilbert, 1755-1828 DSI, Burndy Library, donor. DSI · [Salem] : Printed at Newburyport, Mass., 1802, by Edmund M. Blunt, for Cushing and Appleton, Salem : Sold by every book-seller, ship- chandler, and mathematical-instrument-maker in the United States and West Indies · leaf 223
ngles by drawing diagonals therein ;then find the area of each triangle, and the fum of them is the area of thepropofed figure. Or, inftead offinding the area of each trianglefeparately, you may find at oneoperation the area of two tri-angles having the fame diagon-al, by multiplying the diagonalby… … ?i4 feet, and L>H=:i2 feet ?BG=i4DH=i2 Sum 26 Half fum 13 Area EAB 143- EC AreaBCDEEAB 33 39,39429H5 Area of the figure 572 [ENSURAT10K. 209 PROBLEM IV,To find the area of a circle. Rule. Multiply the diameter of the circle by itfelf, then multiply thisproduct by the quantity 0.7854, and you…
Navigation · Nautical astronomy
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-353-59.webp)
