PHILOSOPHICAL 
TRANSACTIONS. 
Mundaf ^ July 5, i665« 
The Contents. 
An Account^ how Adits and Mines are wrought at l^iege without 
Air-ftiafcs, communicated iy6Vr Robert Moray. A way U 
breai^ eafily and fpeedily thshardefl Rocks 5 imparted by the 
fame Vcvion^as he received it from Monfieur Du Son^the Jnven" 
tor. Ohfervables upon a Monftrous Head. Obfervablss in the 
Body of the Earl of BdcarrcSy fent out of Scothnd. A 'Rela-- 
tion of the depgmd Frogrefs to be made in the Breeding of Silk- 
viorm%,and the Making of Silk, in France. Enquiries touching 
Agriculture, for Arable and Meadows. 
An Account ^hom Adits d> Mines are wrought 
at Liege without Air-fhafts^communicated 
by Sir Robert Moray. 
T is well known to chofe converfant in 
Mines ^ that there is nothing of greater in- 
convenience in the working or driving as 
they call it, of Mmes or Adits under 
groundjfor carrying away of Water , or 
fuch Minerals as the Mine afFords,than the 
Damps^wantf and impurity of Air ^ that oc- 
M cur 
