(.27^ ) 
D. the middle of the Tower of 
E. the top of the Pavilion of Malvoyjin, 
F. a pole placed for this piirpofe on the ruins of the Tower of 
Mmtjay, with a lock of bay put upon it, that it might be fccn 
at a greater diftance. 
G. the middle of the Hummock of Mareuil , where it was rc- 
quifite to have a fire made , to diftinguift it at g di* 
fiance. 
H. the middle of the great Oval Pavilion of the Caftle of Ddm- 
martin. 
I. the Tower of St. Sampfin in Clermont. 
K. the Mill of "jonc^uieres near Compegne^ 
L. the Tower of Coyvrel. 
M. a little Tree on the hill of Boulogne near Montiidier. 
N* the Tower of Sour don, 
O. a little forked Tree upon the point of the Griffon neer ViHe' 
neuve St. George. 
P* the Tower of Montmartre. 
Q^the Tower near St. Chrijlofher at Senlit. 
Thus we have given you, we hope, fome fatisfaftion as to this 
point , at leaft as to the material parts of it. As to all the par- 
ticular niceties , (which it would be too tedious todefcribe) the 
Book it felf, which furely fome time or other will come abroad^ 
may render that fatisfaflion compleat. 
Meantime, I would by no means, that thisChould put a ftop 
to the Ingenuity and Induftry of our Philofophical Friends here 
in England^ or deprive either them of the pieafure of compa- 
ring their exaftnefs with that of M. Ficarts^ or the world of 
the advantage of having fo important a Problem refolved by di- 
versArtifts in different Countries, by different waves ; that fo,. 
the whole comming to be reflefled upon, one may be able to 
conclude from the accuratenefs of the Obfervers , who they are 
that are come the neareft to truth in their Qbfervations. 
AnBxtraU of the French Journal des Scavans, concerning a I^ew 
Invention of Mo^Jieur ChYitthn Hugens de Zulichem, of very 
exa6i and portative Watches^ 
THE Watches of this Invention being made in fmall, £hall 
ferve for very exaft Pocket- watches^and when made greater, 
fhall 
