Invented by John <span class="searchmatch">Bethell</span>. the <span class="searchmatch">Bethell</span> <span class="searchmatch">process</span> A <span class="searchmatch">process</span> for treating timber with creosote and vacuum to preserve it....
<span class="searchmatch">Bethell</span> A surname. <span class="searchmatch">Bethell</span> <span class="searchmatch">process</span>...
acromial <span class="searchmatch">process</span> Augustin <span class="searchmatch">process</span> Bell-Krupp <span class="searchmatch">process</span> Bell <span class="searchmatch">process</span> Bergius <span class="searchmatch">process</span> Bernoulli <span class="searchmatch">process</span> Bessemer <span class="searchmatch">process</span> <span class="searchmatch">Bethell</span> <span class="searchmatch">process</span> Birkeland-Eyde <span class="searchmatch">process</span> blue...