(2^ 
The Preface. . 
f A LthoHgh the Writing of thefe Tranlaftions, ^ not fa 
jf\^ to he looked upm as the Bufiacfs of the Royal Soci- 
ety : Tet^ in regard they are a Specimeo of many things 
xvhieh lie before them 5 Contain a great Variety of Ufef ul 
Mattery Are a convenient Regifter, for the Bringing in^ 
and Preferving many Experiments, which^ not enough for 
a 'Boolij would elfe be loji 5 and have proved a very good 
Ferment for the fitting Men of Uncommon thoughts in aU 
farts a noorl{ : And becaufe^ moreover^ the want of them for 
thefe four laji Tears^ wherein they have been difcontinued^is 
much complained of : That the faid Society may not feem now 
to Condemn a Work^they have formerly encouraged '-^ or to ne- 
gleB thejuji ExpeBations of Learned and Ingenious Men : 
they have therefore thought fit ^ to take care for the revival 
hereof that they may be Fublifhed once every Months or at 
fmh Himes^ whereof forenotice fl)all be given at the end of 
thefe ^ and the following Tranfa(Sions. ^either is it doubt- 
ed^ but that thofe who dejfre to be accommodated herewith^ 
will moji readily endeavour^ themfelves^ or by others^ to fup" 
ply and keep up that <S^(7^"4 ^/Experiments, and other Phi- 
lolbphical Matters, which will be necejfary hereunto $ with 
this affurance given them^ That whatever they Jl)all hepleaf 
ed to communicate^ Jhall bedifpofed of with all Fidelity. 
Letters for this furpofe^ may be dire&ed thus^ For the 
Secretary of the Royal Society. To be left with 
Mr. Hunt at his Houfe in Whale hone Court, in 
Be//- Alley in Coleman StrGGt^ Or, attheKep^- 
tory in Grejham College^ London. 
A Defcription Pen- Park-Hole /» GIocefter(hire 5 Com- 
municated by sir Robert Southwel. 
THcre is a place in Glocejlerpire cdlltd Pen Park^ 
about three Miles from Brijiol, and above three 
from Severn^ where fome Miners for Lead difcovcring 
a large Hole in the Earth; One Captain sturmy^^ warm, 
in- 
