Copy letter from Robert William Frederick Harrison, to [Charles Vernon] Boys, [Fellow of the Royal Society] Frederick Hovenden, who is FLS and FGS and Honorary Secretary of the London Institution, has offered to exhibit under microscope 'nicotine molecules in gaseous condition and their vibrations', for the next soiree [Harrison writes an addendum that the title does not sound very scientific]. Hovenden says several Fellows have seen it and expressed great interest. As Harrison does not have the authority to accept, defers the decision to Boys. Informs him Mr Curtis, of Baker & Company in Holborn, know all about it. 22 April 1901