Tiptree Windmill
... that Tiptree Windmill has walls that are 4 feet (1.22 m) thick?
... that <b id="mwCHs"><a class="mw-redirect" href="./Messing_Maypole_Mill,_Tolleshunt_Knights" id="mwCHw" rel="mw:WikiLink" title="Messing Maypole Mill, Tolleshunt Knights">Tiptree Windmill</a></b> has walls that are <span about="#mwt22" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"4"},"2":{"wt":"ft"},"3":{"wt":"m"},"4":{"wt":"2"}},"i":0}}]}' id="mwCH0" typeof="mw:Transclusion">4 feet (1.22</span><span about="#mwt22" typeof="mw:Entity"> </span><span about="#mwt22">m)</span> thick?