York Waterworks Engine Design for a cataract for the fire engine at York Elevation, scale 1:48 Ink wash Signed 1780 Inscribed; For explanation see letter to Mr. Eastbourn, Book 15, LS, page 46; transcribed V 519. Inscribed in the hand of John Farey; See a cataract applied to a small fire engine, folio 7 [page 58] Design for the piston for York engine Vertical sections and plan, scale 1:16 Ink wash Signed 1779 Inscribed; For explanation see Book 7, Reports and Estimates, page 125 1779-1780