Thomas Crapper's valveless waste preventer, No.814 cistern, c.1900 Thomas Crapper's valveless waste preventer 1900
Slate cistern, split compartment, plug-valves on wire (after flush cistern), c.1875 Slate cistern 1875
"Niagara" cistern by Claughton, c.1890. Valveless syphon, wooden case, lead-lined "Niagara" cistern by Claughton 1890
"New Hotwell" gas heated cistern by John Wright and Co., circa 1930 "New Hotwell" gas heated cistern by John Wright and Co.