Copy letter from Archibald Geikie, to Professor Victor Meyer 'Sir, I have the pleasure to inform you that the President and Council of the Royal Society have awarded to you the Davy Medal for your researches on the determination of Vapour Densities at High Temperatures. I am, your obedient servant Arch Geikie For. Soc. RS. [Foreign Secretary, Royal Society]'. 5 November 1891