(. 717 ) 
lower Jaw was cut away, yet, according to the Infor- 
mation I have from Mr. Gordon the Operator, it is 
grown up again, and is of the ordinary Colour of the 
5 kia, and like the other fide of the Face ; fo that 
there grows Hair on that fide of the Face as well as 
on the other, which he ordinarily fliaves; and this is 
as furprizing as any thing in the whole Affair. 
I have given a true and plain Account of this ex- 
traordinary Cafe from certain Information; I have con- 
tented my felf to relate only Matters of Fadf, without 
making any Obfervations or Reflexions on it; for I 
leave it to the Philofbphers and Virtuofi 'to make their 
own Reafonings and Refinements as Teems beft to them- 
feives. 
yil. An Account of an Experiment to pro);e an incer- 
fpers’d Vacuum 5 or to Jhew that all Tlaces are. 
not ec[ualy full, 
T his Experiment was made before the KING, and-^ 
HER Royal Highnefs the Princefs of Wales, at 
Hampton-Court, in the Month of September 17 17. 
afterwards before the R o Y A l-S o c i E T Y , on Thurfday, 
December^. 1717. and fince that, in Channel-Rowe, , 
Weflminfter, before [ome Members of the Royal-Society, 
by I. T. Defaguliers, M, A, F,R^S. as follows; 
Having had the Honour to make fome Experiments 
laft Year before his Majefiy and their Royal Highmfes 
the Prince and Princefs of Wales ; among others, ' lliew’d 
that of a Guinea and a Piece of fine Paper ; then oi a 
Guinea and a Feather dropt together ftom the top of 
an exhaufted Glafs Receiver about zo inches high ; both 
which 
