TY - JOUR T1 - Part of a Letter from Richard Waller, Esq; S R. S. to Dr. Hans Sloane, R. S. Secr. concerning Two Deaf Persons, Who can Speak and Understand What is Said to Them by the Motion of the Lips JF - Philosophical Transactions (1683-1775) VL - 25 SP - 2468 EP - 2469 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1706.0060 M3 - doi:10.1098/rstl.1706.0060 AU - Waller, R. ER -