Kembery Antique Clocks Ltd has dated this piece to the Georgian era.
A very similar high water clock is illustrated in the book.

Height 7ft 8 "/ 234 cms Width (at widest point of hood) 19" / 49 cms Depth 10" / 26 cms.
From Kembery Antique Clocks Ltd you can expect a genuine antique grandfather longcase clock that is serviced with 12 months guarantee. We personally set up and deliver to the UK, please contact us for a quote. We are members of The British Watchmakers and Clockmakers Guild.
Kembery Antique Clocks Ltd has dated this piece to the Georgian era.
You can view the stock and full dealer information on the Kembery Antique Clocks Ltd Profile Page