C S64 ] 
fort of Wood, and to the fame Depth, in lefs than 
Eight or Nine Strokes. 
XXXL Abjliraffis of the original Papers com- 
municated to the Royal Society by 
Sigifmond Auguftus Frobenius, M. 2). con- 
cerning his S^mtus VinidEthereus: Collebied 
hy C. Mortimer, M. 2). Seer. R. S. 
D R. Frobenius being dead, and fome learned Che- 
mifts at ‘Paris, in Germany , and in Italy, 
having endeavoured, in various Manners, and with 
different Contrivances, to make this zyFthereal 
Spirit 5 I thought it would be acceptable to the Cu- 
rious in England, to give them an Abftrad of the 
Three Papers theDodor communicated to the Royal 
Society concerning his Spiritus Vini <^/Ethereus. 
The Firft he gave in on Feb . 19. 1729-30. along with 
what is printed inN°4i3. p. 2S3.ofth zizTranf actions, 
but was defired by the Author not to be publifhed at 
that Time. In this Paper he fays, you muft “ take of 
“ Oil of Vitriol, and the higheft redified Spirit of Wine, 
“ equal Parts by Weight, not by Meafure : That the 
tc Oil of Vitriol was to be poured by little and little 
“ into the Spirit of Wine, becaufe they will grow hot 
“ upon mixing ; that they fhouldbe fhaken often, that 
“ they may mix thoroughly , then tobedigefled gently 
tc in a glafs Retort, and a large Receiver to be applied 
iC and luted on, left the fubtile Spirits fhould fly away : 
tc Thendiftil them in zw Athanoryn gentle Digeftion, 
“ for Three Days ; and pour back the diftilled Liquor, 
“till 
