TY - JOUR T1 - An Account of the Speaking Trumpet, as It Hath Been Contrived and Published by Sir Sam. Moreland Knight and Baronet; Together with Its Uses Both at Sea and Land. Printed at London An. 1671 JF - Philosophical Transactions (1665-1678) VL - 6 SP - 3056 EP - 3058 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1671.0067 M3 - doi:10.1098/rstl.1671.0067 AU - Moreland, S. ER -