Medicine.- Beddoes (Thomas) & James Watt. Considerations on the Medicinal Use, and on the Production of Factitious Airs, Parts I-III only (of 5), together 2 works in 1 vol., second edition of Parts I-II, first edition of Part III, Parts I & II with 5 folding engraved plates, Part III with 3 engraved plates, one folding, and 4 folding letterpress tables, [Wellcome II p.129], Bristol, Bulgin & Rosser for J.Johnson, 1795 bound with Menzies (Robert) A Dissertation on Respiration...with notes by Charles Sugrue, first edition, initial blank, engraved plate, errata/advertisement leaf at end, Edinburgh, 1796 and Smyth (James Carmichael) An Account of the Experiment made at the desire of the Lords Commissioners of the Admiralty, on board the Union Hospital ship, to determine the effect of the Nitrous Acid in destroying Contagion..., first edition, presentation copy from the author to Dr Gregory inscribed at head of title, folding engraved plan of ship, J.Johnson, 1796, together 4 works in 1 vol., the first bound after the second mentioned, occasional spotting or offsetting, contemporary tree calf, rebacked, rubbed, split to upper joint, 8vo

⁂ Beddoes specialised in tuberculosis and experimented with patients inhaling gases or "factitious airs". Watt became interested due to his invalid son and developed a form of apparatus for enabling such treatment. The last item concerns a treatment for "jail fever" or typhoid.