• LOCATION 12 | At Your Convenience: A Lavatorial Walking Tour

    S Traps and U Bends

    1775: A Scottish Watchmaker named Alexander Cummings filed for the first patent for a water closet… the S trap.

    1778: Joseph Bramah improved the design, inventing a hinged valve and an improved cistern… creating the design that was to become the benchmark of the next century.

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At Your Convenience: A Lavatorial Walking Tour