Copy letter from an unknown correspondent, to Messrs West, Newman & Company, 54 Hatton Garden 'Your estimate £32-1-0 for Messrs Liveing & Dewar's [George Downing Liveing and James Dewar's] Spectra of Cobalt is accepted. I send the originals by this post; please put them in hand without delay. They are to be arranged as the author has arranged them in his copy'. 27 March 1888