C 41 > 
J)^umy. 103.' 
PHILOSOPHICAL 
TRANSACTIONS. 
May 25. 1674. 
The CONTENTS. 
Some ObfervAtions and Experiments about Vitriol, tending to 
find out the nature of that fubjlance^ and to give further light 
in the Inquiry after the Principles and Properties of other 
Minerals, Some Inquiries and Suggeftions concerning Salt 
fordomeftick Ufes \ andconcerning Sheep ^ to preferve them, 
and to improve the race of them ^ for hardinefs , and for the 
finefi Drapery, An Account of fime Books : I. Of the Ex- 
cellency and Grounds of the MECHAmCHAL HTPO- 
THESlSyfome Confiderations^ proposed R.B.E. Fellow of 
the R. Society. II. Mr. John SmithV ENGLANDS IM- 
PKOVEMENT revived, in a treatife of Husbandry and 
trade, by Land and Sea, (^c, I IL Dav idis van der Becke 
Experimenta ^editationes circa NATURAL lUM RE- 
RUM pRmciPU. 
Some Obfervations and Experiments about Vitriol , tending to 
find out the nature of that fubflance, and to give further light 
in the Inquiry after the Principles and Properties of other 
(^Minerals: Communicated by a Fellow of the R. Society, 
who maketh ufe of Chymifiry chiefly as [ubfervient to Phyfiology. 
VltRlOL is by the Spagyrical Tribe reputed one of 
the chief Pillars of Medicine and Alchimy ; and is 
indeed endowed with many excellent and truly adiiiirabie 
properties^ being employed by Nature in her moft Curie 
Mineral operations.'Tis i t felf one of the moft noble and ufefu! 
