Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Herrn. Paul Pulver; Breitenrainstrasse 35, Bern, Switzerland Answers Paul Pulver's enquiry about Samuel Engel, noting that he was not an 18th century Fellow of the Royal Society, and that although the name [Rodolph] de Valltravers is on the Royal Society lists he does not seem to have mentioned Engel. 2 January 1930