Problematum quorundam mathematicorum, de triangulis tam rectangulis quam obliquangulis, analytica solutio et constructio : Certain mathematical problems, concerning triangles as well oblique as rectagled, analytically resolved and effected ; Problemata quaedam succincta condendi canones sinuum, tangetium & secantium ; Demonstratio quadrantis horometrici ; Epitome Aristarchi Samii de magnitudinibus & distantiis trium corporum, solis, lunae & terrae / authore J. Twysden =