TY - JOUR T1 - An Account of an Extraordinary Shower of Black Dust, That Fell in the Island of Zetland 20th October 1755. In a Letter from Sir Andrew Mitchell, of Westshore, Bart. to John Pringle, M. D. F. R. S. JF - Philosophical Transactions (1683-1775) VL - 50 SP - 297 EP - 299 PY - 1757/01/01/ UR - http://dx.doi.org/10.1098/rstl.1757.0038 M3 - doi:10.1098/rstl.1757.0038 AU - Mitchell, A. ER -