Typed Letter Signed ‘Morell Mackenzie’, giving the reference for his use of Koch’s fluid de MACKENZIE, Sir Morell

19 Harley Street, 1 April 1891. 1 page 7 x 4 inches, minor blemishes only. Sir Morell Mackenzie (1837-1892), physician and laryngologist, author of The Use of the Laryngoscope in Diseases of the Throat (1864 and other editions) and similar works. He suffered from the controversy surrounding his mis-diagnosis of laryngeal cancer in the case of the Crown Prince Frederick of Germany, who died in 1888, after reigning as Frederick III for ninety-nine days. “The result of my experience with Koch’s fluid will be found in the April number of The Journal of Laryngology and Rhinology, published by Messrs F.A.Davis, 40 Berners Street, London W.”