Benjamin Vulliamy
... that Benjamin Vulliamy, who designed the clock that defined time at the Prime Meridian, also designed clocks with porcelain cases?
... that <b id="mw_w"><a href="./Benjamin_Vulliamy" id="mwAQA" rel="mw:WikiLink" title="Benjamin Vulliamy">Benjamin Vulliamy</a></b>, who designed the clock that defined time at the <a class="mw-redirect" href="./Prime_Meridian" id="mwAQE" rel="mw:WikiLink" title="Prime Meridian">Prime Meridian</a>, also designed clocks with porcelain cases?