[Letter] 1876 Jun 16, Heathfield Park, Hawkhurst [to] Maj. E.R. Festing/John Tyndall, [Informs Festing, Dep. Gen. Supt. of South Kensington Museum, that Dr Gladstone spoke to him re lecturing on Faraday's apparatus "some of it was given to me personally by Faraday himself ... W. Chandler Roberts will not object to letting me take Saturday".] Letter 1876 Jun 16 1876
Tyndall's boiling point apparatus, by J. J. Griffin and Sons, London, England, 1880. Comprised of an iron stand with brass uprights, burner, earthenware support for large flask, two flasks connected by metal tube with stopcocks and condensing syringe. Tyndall's boiling point apparatus, 1880. 1880