Carlisle & Finch
... that Carlisle & Finch used carbon-arc technology in both toy trains and military searchlights?
... that <b id="mwAfM"><a href="./Carlisle_&amp;_Finch" id="mwAfQ" rel="mw:WikiLink" title="Carlisle &amp; Finch">Carlisle &amp; Finch</a></b> used carbon-arc technology in both toy trains <i id="mwAfU">(example pictured)</i> and military searchlights?