A Description of the Several Strata of Earth, Stone, Coal, etc. Found in a Coal-Pit at the West End of Dudley in Straffordshire: By Mr. Fettiplace Bellers, F. R. S. To Which is Added, a Table of the Specifick Gravity of Each Stratum: By Mr Fr. Hauksbee, F. R. S. Communicated by Dr. Hans Sloane, R. S. Secr

Fettiplace Bellers, Fr. Hauksbee, Hans Sloane
1710 Philosophical Transactions