By His Majesty's Royal Letters Patent. John Rothwell, surveyor of the Bootle Water Works, Liverpool, most respectfully informs the gentlemen proprietors of the water works in particular, and the public in general, that he has 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.