By His Majesty's Royal Letters Patent. John Rothwell, of Shadwell Water-works, London, most respectfully informs the gentlemen proprietors of water-works in particular and the public in general, that he has lately invented iron valve water-cocks, ...
Rothwell, John.
[London?] [s.n.]
[ca 1800]
p.[2]-[4] are blank
Title from caption and opening words of text
Hydraulics.