1

THE

HISTORY

OF THE

WORKS of the LEARNED,

FOR THE

Year One Thoufand Seven Hundred
and Forty-Two.

CONTAINING

IMPARTIAL ACCOUNTS and ACCURATE
ABSTRACTS of the most valuable
Books published in Great Britain,
and Foreign Parts.

INTERSPERS'D WITH

DISSERTATIONS on feveral curious and enter-
taining Subjects, Critical Reflections, and
Memoirs of the most eminent Writers in
all Branches of polite Literature.

VOL. II.

LONDON:

Printed for JACOB ROBINSON, at the Golden-
Lion in Ludgate-Street. MDCCXLII,

THE

HISTORY

OF THE

WORKS of the LEARNED.

For JULY, 1742.

ARTICLE I

New Principles of GUNNERY: Containing the Determination of the Force of Gunpowder, and an Investigation of the Difference of the refifting Power of the Air to fwift and flow Motions. By Benjamin Robins, F. Ř. S, London: Printed for J. Nourfe, without Temple-Bar. 1742. Octavo. Pages 95, befides a Preface of 57, &c.

T is of little Importance to our Readers to know the Occafion of this Treatife: We need only inform them, that therein the Force and varied Action of "Powder is fo far determined, that the "Velocities of all kinds of Bullets impelled by its "Explosion, may be thence computed, and the " enormous Refiftance of the Air to fwift Motions "(much

B