TY - JOUR T1 - Experiments on Dying Black, by Mr. James Clegg, of Redivales, Near Bury. In a Letter to Dr. Percival JF - Philosophical Transactions (1683-1775) VL - 64 SP - 48 EP - 53 PY - 1774/01/01/ UR - http://dx.doi.org/10.1098/rstl.1774.0004 M3 - doi:10.1098/rstl.1774.0004 AU - Clegg, J. ER -