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INTRODUCTION

TO THE

USE of the GLOBES,

AND THE

ORRERY:

ALSO,

The Application of Aftronomy to Chronology;

In which are contained

RULES and MEMORIAL CANONS for finding the
Dominical Letter, Leap-Year, Epact, Eafter, &c. ac-
cording to the Gregorian Account or New Style; with
an Explication of the Reafon of each Rule.

Adapted to

The INSTRUCTION and ENTERTAINMENT of
fuch Persons as are not previously verfed in Mathe-
matic Science.

WITH AN

APPENDIX,

Attempting to explain the Account of the First and Fourth
Days Work of CREATION in the First Chapter of Genefis.

By DAVID JENNINGS, D. D.

THE THIRD EDITION.

LONDON:

Printed for J. NOURSE in the Strand, Bookfeller in Ordinary
to his MAJESTY; J. BUCKLAND, in Pater-nofter Row,
near St. Paul's; and E. and C. DILLY, in the Poultry.

MDCCLXVI.

QB
66

1554

1766

Hest. Sci.

Fayes 1-29-29

14277

THE

PREFACE.

T

HE Perfons for whofe Sake and Ufe the following Treatife was at first drawn up, (or rather I should fay, as to the greater Part of it, this Collection made out of many other and larger Books) are chiefly fuch, who, though they have not the Opportunity of attending to the more abstruse Parts of Mathematic Science, are defirous at least, of fome general Knowledge in these Matters; fuch who, though Providence has marked out their Tract of Life amidst Scenes of worldly Business, yet have Souls large enough to extend themselves, now and then, beyond this little Planet, and take a diftant View of more remote Worlds; in the Contemplation of which, both the philofophic and pious Mind may find Entertainment and Profit. The Works of the Lord are great,

A 2

fought

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