TY - JOUR T1 - An Extract of a Letter from Dr. Robert St. Clair, to Dr. Rob. Hook, F. R. S. Giving an Account of a Very Odd Eruption of Fire out of a Spot in the Earth Near Fierenzola in Italy, with an Easy Cantrivance of a Lamp to be Kept Always Full Whilst It Burns JF - Philosophical Transactions (1683-1775) VL - 20 SP - 378 EP - 381 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1698.0080 M3 - doi:10.1098/rstl.1698.0080 AU - Robert, D. ER -