( 59 s ) 
towards the Center. It muft mechanically, and al- 
moft neceffarily follow, by the continual Revolu- 
tion of the crude Mafs from Weft to Eaft, like the 
winding up of a Jack, or rolling up the Leaves of a 
Paper-Book, that every one of thefe Strata, tho’ they 
each reach the Center, muft, in fome Place or other, 
appear to the Day j in which Cafe there needs no fpe- 
cihck Gravitation to caufe the lighteft to be upper- 
moft, &c . for every one in its Turn, in fome Place 
of the Globe or other, will be uppermoft j and, were 
it practicable to fink to the Center of the Earth, all 
the Strata, that are, would be found in every Part, 
and according to the Poet, Ponderibits librata fuis. 
Add to this, that in all Places within my Knowledge, 
the Obfervation of * another Member of the Society 
has held good, that the Precipices of all Hills are to 
the Weft ward, whereas the A (cent to the Eaft is more 
gradual. The farther Enquiry into which I offer 
to the Curious, who have better Opportunity.. 
II. T>e Experiment o probandi Spiritum Vim Gallici , 
perquam ujitato, fed reVera falfo et fallaci. Ju+ 
Bore C. Neuman, Chym . Trof. (Reg. Bero- 
lin. ^ S. S. 
S I qua rerum naturalium eft fcientia, e qua mul- 
t*e erroneas opiniones, prasjudicia, fpeculationes, 
&i inde fecutas falfte hypothefes atque experimenta 
extiterunt, Chymia in primis eft ; quas tamen in fe 
confiderata, non nifi certis, in externos fenfus incur- 
rentibus 
* Dr. Stukely. 
