Texas Tower lighthouses
...that the Texas Tower lighthouses were based on the design of off-shore oil platforms?
...that the <b id="mwB20"><a href="./Texas_Tower_(lighthouse)" id="mwB24" rel="mw:WikiLink" title="Texas Tower (lighthouse)">Texas Tower lighthouses</a></b> <i id="mwB28">(one pictured)</i> were based on the design of off-shore <a href="./Oil_platform" id="mwB3A" rel="mw:WikiLink" title="Oil platform">oil platforms</a>?