Description of a glass apparatus, for making mineral waters ... together with the description of some new eudiometers, or instruments for ascertaining the wholesomeness of respirable air ... in a letter to Dr. Priestley / [João Jacinto de Magalhães].

  • Magalhães, João Jacinto de, 1722-1790
Date:
1779
Catalogue details

Licence: Public Domain Mark

Credit: Description of a glass apparatus, for making mineral waters ... together with the description of some new eudiometers, or instruments for ascertaining the wholesomeness of respirable air ... in a letter to Dr. Priestley / [João Jacinto de Magalhães]. Source: Wellcome Collection.

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    dence; this having long been my cuftom, whenever any ufeful difcovery comes to my knowledge. I made then fome change or im¬ provement in your method, which rendered the manner of conveying the fixed air to water fomewhat eafier. This was added in a note to the French tranflation of it, made foon after at Paris, from a copy that I had fent to that great promoter of Natural Philofophy, the late Monfieur Trudaine de Montigny, mentioned page 261 of your fecond vol. on Different Kinds of Air. Some time after, Mr. Blunt invented a machine, which rendered this ope¬ ration ftill more eafy. One of this kind, made by himfelf at Mr. Nairne’s, I fent to a very judicious lover of philofophical experi¬ ments at Turin, the Marquis de Rofignan, lately ambaffador of the King of Sardinia to the Court of Berlin. 3. Another ccnftrufiion of a glafs machine for the fame purpofe, was publifhed by Dr. Nooth, in the 65th vol. of Philofophical Tranf- aflions. But this being very imperfect, was afterwards improved by Mr. Parker; and you have given an account of it in the iecond volume of your work, above mentioned, page 302, and following. A very great number, [about 1660] of thefe machines have been fent to different parts, even to the Eaft Indies: B 2 and