Johannis Wallisii S.T.D. in celeberrima Academia Oxoniensi GeometriÆ Professoris Saviliani Exercitationes tres. De cometarum distantiis investigandis. De rationum & fractionum reductione. De periodo Juliana.
Wallis, John,1616-1703.
Collins, John,1625-1683.
Londini : prostant venales apud Mosem Pitt ad insigne Angeli in CŒmeterio Divi Pauli,
1678.
The first paper is addressed to John Collins.
"Reductio fractionum seu Rationum ad promimè-Æquales in minimis terminis" and "De periodo Juliana tractatus" each have separate divisional title page; pagination and register are continuous.
With a final errata leaf.
Also issued in the same year as part of "JeremiÆ Horroccii Liverpoliensis Angli, ex palatinatu LancastriÆ, opera posthuma" (Wing H2869).
Locations:  E  Copy notes: Matched from printed catalog.
Wing (CD-Rom, 1996),
ESTC
Microfilm.
Astronomy
Geometry
Arithmetic