[8io] 
as the ancient Lamps arefaidto be, upon the immijjton 
external Jir This therefore muftbethefire fitteft 
for this fort of Sepulchral Lamps ( for it leems they were 
not all alike ; for the aacount whereof, we all ftand 
obbged to an eminent member ot this Society, the learn- 
ed Dr.BathurftDean oi Wells, and Prefdent ot Trimty Col- 
lege Oxon. By whofe care the relation oi the ftrange P/>^- 
nomena ofthisfortof /r^, ftand regifterd in the fhilofo- 
phical TranfaUions, Numb. ijd. to all pofterity. Since 
which it has alfo been taken notice of, in the fo»/-n'or^^ 
oiSommerfet-Jhire, by the ingenious Mr. Beaumont ; and 
by Mr. George Sinclar in the Coal-works of Scotland. This 
I doubt not but you will readily allow me to be as pro- 
bable a material for the 0;-/ of this fecond lort ot perpe- 
tual Lamps i as that of Pitchford was, for the former ; 
But how ^^ar, ox that, fliallbe fo menaged, as to be put 
intoa. Lamp, and this Lamp perpetually lupplyed, and 
placed wherever it fhall be defired ; as it feems the Lamps 
of the Ancients might, this fire being fometimes found 
in little ?ots, Glaffes or Vrnes, without any fuch duUus 
to them as we required at Pitchford, or might do herci 
is a difficulty perhaps not eafily conquered. To which I 
muft confels that I have only this to fay, that ""lels 
there can be a preparation Ci^jyw^V^Z/y made out of thele 
bitumnious materials, which thus naturally take fire or 
themfelves, or preferve it without a WetJ^, a fmall quan- 
tity whereof fhall maintain fo tenuious a flame that 
there ihall be no confiderable confumption of t^e mat- 
ter in many years ( luch as the flame over the Well, and 
Earth about it, in one Mr. //«n^^Vy j ground in Lanca- 
Jhire, that (like the fire of P/^^o j only>«e-f and does 
not burn ) we muft be contented to be tyed to the pla- 
ces where thsfe materials are. But it we can be content 
to quitthefe materials, and to thmk that thefe Lamps 
( as many have done) did not fbine or burn for all the 
time they were incloled' in thefe Tombs, but ^^^''.^Jj J 
