TY - JOUR T1 - A Discourse concerning the Musical Notes of the Trumpet, and Trumpet-Marine, and of the Defects of the Same, by the Honourable Francis Roberts, Esq; R. S. S. JF - Philosophical Transactions (1683-1775) VL - 16 SP - 559 EP - 563 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1686.0106 M3 - doi:10.1098/rstl.1686.0106 AU - Roberts, F. ER -