WA WE

Mathematica. Cl.V.

27.8

Lit. W.L

W. Ludus Mathematicus: or the MathematicalGame: explaining, the Defcription, Conftru-& tion, and ufe of the Numerical Table of Propor-tion by help whereof, and of certain Chefs- men( fitted for that purpofe) any Proportion; Arich-metical or Geometrical( without

any Calculation at

all, or ufe of Pen) may be readly, and with delightrefolved, when their term required exceeds not100000. London 1682.

R. W. The Times meaded: or, a rectified account ofTime by a new Luni- folar year. the true way tonumber our days. ibid. 1681t

ANDREAS WACKELY, Mariner's Compafs rectified with Tables of Hours and Azi-muth uſefull in Navigation: Calculated from oDegrees to 60 Degrees of Latitude. ibidem 1670WALGRAVE, Decimal Arithmetick; wherein thewhole Art is made eafie to any indifferent capacity.

in 8.

lhid. 167+

JOHN WALLIS, Difcourfe of Gravity andGravitation, grounded on experimental Obferva-tions, prefented to the Royal Society Novembr. 12.

1674. ibid. 1675 in 4.

Defence of the Royal Society and the Philofophical Tranfactions, particularly thofe of July 1670,in Anfwer to the Cavils of Dr. William Holder.

ibid. 167. in 4.

WEST, Book of Titles for the ufe of Apothecaries.

ibid. 167.

WICHERLY, Magifter Saltandi Nobilium Anglicè.

Londini 1672 in 4.

M 4

WIL-