## Tracts on mathematical and philosophical subjects: comprising among numerous important articles, the theory of bridges, with several plans of recent improvement; also the results of numerous experiments on the force of gunpowder, with applications to the modern practice of artillery ... |

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2d term Albert Girard algebra altitude angles Arabians arithmetic attraction axis ball Bearings Diff binomial Cardan centre of gravity centre of oscillation Chap chord coefficient column compound computed contains cube root cubic equations denote Descartes diameter Diophantus distance divided divisor equa equal equation x3 extraction feet geometrical given gives greater greatest root gun n hence hyperbola imaginary roots inches inches infinite series invention Jebr least root length less letters means measured method minus multiply namely nearly negative notation observed pendulum Pole Vert positive roots powers published quadratic equations quotient Radii radius ratio real root recoil reduced rule SECTION Shai side signs sines square root Stifelius subtract surds tangents tape Tartalea Theodolite theorem three roots tion treatise triangles unknown quantity velocity vibration Vieta weight whole