Henry Thompson's Real Cheltenham Salts

CheltenhamAlthough Henry Thompson claimed to manufacture the salts by evaporating spa water, The Monthly Gazette of Health for 1 Sept 1819 claimed that the product was nothing more than Glauber's salt (sodium sulphate decahydrate). The Gazette had "been informed, by a gentleman residing in Cheltenham, who could prove the fact, that many tons of common Glauber's salts, made at Lymington, were forwarded to Cheltenham. This fact may account for the water of certain wells not being weakened by the evaporation of nearly two thousand gallons daily!!" In spite of cynicism from some quarters, however, Thompson was highly respected as the proprietor of the Montpellier Spa, which he established in the early years of the 19th century. The spa boasted several varieties of mineral water, a pump room, baths, and 50 acres of pleasure gardens carefully laid out with rides and drives. It became Cheltenham's most celebrated spa and was further developed after Thompson's death by his son, Pearson. Although the fashion for spas declined in the 1830s, and late 19th-century attempts to revive the Montpellier establishment failed, many of the fine buildings are still standing today. Image: Effects of the Cheltenham Waters, or, 'Tis necessary to quicken your motions after the second glass. Published by S W Fores, 1823. Courtesy of the US National Library of Medicine.   T H E    late    H E N R Y   T H O M P S O N ' S   R E A L C H E L T E N H A M   S A L T S,  made by the simple Pro- cess of Evaporating the Montpellier Spa Waters, at the Labo- ratory,  at  Cheltenham.        Also,   REAL    EFFERVESCING CHELTENHAM SALTS, and the concentrated Waters and native Waters, from the Springs.  CAUTION.—The  many  Chemical  and  most  injurious  Fa- brications assuming the Name of Cheltenham Salts, induce the  Proprietors  to  Caution  the  Public  to  ask  for  the  late “HENRY   THOMPSON'S    R E A L    C H E L T E N H A M SALTS.”   None  are  genuine  that  have  not  the  Initials  R. W. and C. J., and the late Henry Thompson's Name, on the Stamp. To be  had  at  No. 7,  Throgmorton  Street;  of  the  principal Wholesale Dealers in London, and Retail of all the Medicine Venders throughout the United Kingdom.   Source: The Newcastle Courant, Saturday 6 September 1834

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