Directorivm generale vranometricvm : in quo trigonometriae logarithmicae fvndamenta, ac regulae demonstrantur, astronomicaeq[ue] supputationes ad solam ferè vulgarem additionem reducuntur : opus vtilissimum astronomis, geometris, arithmeticis, perspectiuis, architectis, praecipuè militaribus, mechanicis, geographis, nec non ipsis philosophis naturalibus (1632)
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Trigonometry -- Early works to 1800 · Logarithms -- Early works to 1800 · Logarithms · Trigonometry
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.