Patent specification for Edison's Incandescent electric lamp.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/37916456@N02">ENERGY.GOV</a>
1881-06-14
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<ul><li><cite style="font-style:normal" id="CITEREFUS242897"><a rel="nofollow" class="external text" href="http://v3.espacenet.com/textdoc?DB=EPODOC&amp;IDX=US242897">US patent application 242897</a>, Thomas A. Edison, <i>"<a rel="nofollow" class="external text" href="https://patents.google.com/patent/US242897A/">Incandescent Electric Lamp</a>"</i>, published 1881-06-14 </cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Apatent&amp;rft.applnumber=242897&amp;rft.cc=US&amp;rft.title=%5Bhttps%3A%2F%2Fpatents.google.com%2Fpatent%2FUS242897A%2F+Incandescent+Electric+Lamp%5D&amp;rft.appldate=1880-12-15&amp;rft.pubdate=1881-06-14"><span style="display: none;"> </span></span></li></ul>