William Deverell (Bath)
1798 Advertisement: 'By Virtue of the King’s Royal Letters Patent, Granted to Wm. DEVERELL and HENRY MURRELL, of the city of BATH, for their NEW-INVENTED PUMPS for raising Water from Coal, Lead, Tin, and other Mines, and from common Wells, which, for simplicity, durability, and cheapness, far exceed any thing of the kind ever offered to the publick, and will be executed at one half the expence of those now in common use; are much less liable to be out of repair, and as no lead is used in them, the water will not be rendered any ways unhealthy.
Likewise, their Patent PIPE, for conveying from houses, or in any other direction.
By appointment, Messrs. Street’s Patent VAPOUR ENGINE, erected by Wm. Deverell, for working pumps, drawing coals, &c. is equal to any steam engine, and will he erected and worked at one half the expence.
Orders received by William Deverell, millwright and pump-maker, the Lower Bristol road; or H. Murrell, carpenter and machine maker, No. 21 Morford street, Bath.' [1]
1799 Similar advertisement placed for pumps and pipes. Deverell's address: 4 St. George’s Place, upper Bristol Road. [2]