A help to calculation
Subtitle: Or, Two tables: the one of decimal numbers, and the other of their logarithmes, for the ready converting of sexagenary tables into decimal, and the contrary. And for the finding of the part proportional in all sexagenary tables. As also tables of declination, right and oblique ascensions, ascensional difference, and other tables of the Primum mobile, for the speedy and exact erecting of a figure: in all which the use of the former tables in taking the part proportional will appear
By: By J. Newton
Publisher: Printed by Ioseph Moxon, and sold at his shop on Cornhil, at the sign of Atlas
Published: 1657
Place of publication: London
Language: eng
Number of pages: 110
Subjects: Mathematics; Tables; Logarithms; Early works to 1800; Astronomy
Other titles: Primum mobile.; Two Tables: the one of decimal numbers, and the other of their logarithmes.
Notes: Pages 2-3, second group, numbered 4, 7.

"Primum mobile: or, Tables shewing the declinations, right ascentions, ascentional differences, oblique ascentions of the sun, and other planets. With other tables, for the more speedy erecting of a figure, and finding the arke of direction"  ([37]-110 p., 1 l) has special t.-p., dated 1656.