A rosewood and walnut Piano Stool with iron fitting stamped H. Brook Patent, London to adjust the seat height.
The seat can be raised by 3 1/2 inches by turning the 2 turned rosewood knobs to the sides. The seat has a rosewood on plywood apron below the upholstery which covers the beech secondary wood which is painted to resemble rosewood. The turned and fluted walnut legs have wooden threads to allow them to be removed for ease of transport. It would not be uncommon for musicians to travel in their work and such a portable stool would be useful. It is likely the maker is Henry Brooks. The design of this stool is very sturdy and the raising action clever. It has been reupholstered in green leather. Circa 1875.
More can be read on Brooks in Makers.
Henry Brook's father Cox Brooks, formed the company in 1810 at 31 Lyme Street, Camden, London and was primarily known for making piano actions, hammer heads and keyboards.
Henry Brooks were primarily concerned with making parts for musical instruments but also patented actions for raising seating In 1920 Brooks amalgamated with Herrburger. Round piano stools marked H. Brooks are also known.