|Alternative reference number
|Copy letter from Robert William Frederick Harrison, to Sir William Crookes, Fellow of the Royal Society
|22 June 1906
|Asks if Crookes has taken away the plates of spectra belonging to his recent papers on Europium and other substances, as they are missing.
Fellows associated with this archive
|Crookes; Sir; William (1832 - 1919); chemist
|1832 - 1919