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Numb. 5
PHILOSOPHICAL
TRANSACTIONS.
Munday, July 3. 1665.
The Contents.
An Account, how Adits and Mines are wrought at Liege without Air-shafts, communicated by Sir Robert Moray.A way to break easily and speedily the hardest Rocks; imparted by the same Person, as he received it from Monsieur Du Son the Inventor.Observables upon a Monstrous Head.Observables in the Body of the Earl of Belcarres, sent out of Scotland.A relation of the designed Progress to be made in the Breeding of Silk-worms, and the Making of Silk, in France.Enquiries touching Agriculture, for Arable and Meadows.
An Account, how Adits & Mines are wrought at Liege without Air-shafts, communicated by Sir Robert Moray.
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T is well known to those conversant in Mines, that there is nothing of greater inconvenience in the working or driving, as they call it, of Mines or Adits under ground, for carrying away of Water, or such Minerals as the Mine affords, than the Damps, want, and impurity of Air, that oc-
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