The Chimneys
... that The Chimneys' roof framing utilizes techniques common in the construction of ships' hulls at the time it was built in 1771?
... that <b id="mwBG0"><a href="./The_Chimneys_(Fredericksburg,_Virginia)" id="mwBG4" rel="mw:WikiLink" title="The Chimneys (Fredericksburg, Virginia)">The Chimneys</a></b><span about="#mwt24" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`","href":"./Template:`"},"params":{},"i":0}}]}' id="mwBG8" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span></span> roof framing utilizes techniques common in the construction of ships' hulls at the time it was built in 1771?