Numb. 420.
PHILOSOPHICAL
TRANSACTIONS.
For the Months of August and September, 1731.
The CONTENTS.
I.The Description of a new Instrument for taking Angles. By John Hadley, Esq; Vice President R.S. communicated to the Society on May 13. 1731.
II.An extract of dissertation De Stylis Veterum, & diversis Chartarum generibus, [by the Hon. Sir John Clerk, one of the Barons of the Exchequer in Scotland, and F. R. S.] By Roger Gale, Esq; Vice-President and Treasurer R.S.
III.Some experiments concerning the poisonous Quality of the Simple Water distilled from the Lauro-cerasus, or common laurel, made upon dogs, at Toppingo-Hall in Essex, August the 24th 1731. and others made before the Royal Society in their repository. By Cromwell Mortimer, M.D. R.S. Secret.
IV. A