SCIENTISTS & MATHEMATICIANS Lockyer, Sir Joseph Norman (1836-1920) Signed letter

SCIENTISTS & MATHEMATICIANSLockyer, Sir Joseph Norman (1836-1920) Signed letter on 'Nature' headed notepaper, dated Jan 12 1871, addressed to 'My dear Williams' and referring to obtaining blocks of 'Tropical American Oaks'. Lockyer is credited with the discovery of helium (With Pierre Janssen) and was the first editor of 'Nature' journal; Dr. Lyon Playfair (1st Baron Playfair), written request for a book from Messers Williams and Norgate with a period separate photograph and facsimile signature; William Pengelly, signed letter; Sir David Brewster with request for books dated 1866 with a portrait print separately; verso an a letter from Michael Arthur Bass, 1st Baron Burton. Edward John Routh, signedletter.