Letter from, O Silberrad, Sunnycroft, Buckhurst Hill, Essex, to Lord Rayleigh Silberrad wrote to Lord Rayleigh last month suggesting he would like to exhibit some samples of silk dyed with coloring matters made from charcoal at the next Royal Society soiree. However he has not receved an i from the exhibits committee. Enclosed is a memorandum written on blue paper for the Assistant Secretary regarding the diea of an exhibit. 3 July 1907