1 Stellae fixae, quas Tycho, ad mille, in catalogum congessit et Keplerus Tabb. Rudolphinarum operi adnexuit ad annum incarnationis 1671. Adservatis eisdem latitudinibus quoad longitudines ex additione nimirum gradus unius integri correctae; et a polo eclipticae ad polum mundi quorum distantia est 23 grad. 31 mind. reductae: hoc est in ascensiones rectas & declinationes, eidem anno debitas coniectae a Samuele Fostero ...

2 De astroscopio

3 Problematum quorundam mathematicorum, de triangulis tam rectangulis quam obliquangulis, analytica solutio et constructio authore J. Twysden = 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

4 Observationes eclipsium

5 Ratio facillima computandi altitudinem solis horariam ad quamlibet latitudinem, struendis tabulis altitudinum commodissima quam a D. Fostero olim acceptam, communicavit mihi D. Palmerus ... [John Twysden] = An easier way to calculate tables of the suns horarie alitit. for any latitute ...

6 Observationes eclipsium

7 Problematum quorundam mathematicorum, de triangulis tam rectangulis quam obliquangulis, analytica solutio et constructio authore J. Twysden = 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

8 Lemmata Archimedis apud Graecos & Latinos iam pridem desiderata e vetusto codice M.S. arabico a Iohanne Gravio traducta et nunc primum cum Arabum scholiis publicata revisa & pluribus mendis repurgata a Samuele Foster

9 The geometrical square with the use thereof in plain and spherical trigonometrie. Chiefly intended for the more easie finding of hour and azimuth

10 Mr. Samuel Foster his precepts concerning refracted dials

11 The whole art of reflex dialling, shewing the way to draw all manner of dialls which shall shew the hour by a spot of light reflected from a glasse upon any cieling, or other object whatsoever, without any respect had to the axis of the world, either projected or reflected ...

12 A short treatise of fortifications

13 Aequations arising form a quantity divided into two unequal parts: and the second book of Euclides elements, demonstrated by species