Electrically powered <a href="https://en.wikipedia.org/wiki/Gatling_gun" class="extiw" title="en:Gatling gun">Gatling gun</a>, using 80V Crocker-Wheeler electric motor.
Unknown author<span style="display: none;">Unknown author</span>
<i>Scientific American</i>, reprinted in: <i>The Telegraphic Journal and Electrical Review.</i> Vol. 27 (Jul–Dec 1890), p. 645.<br>Scan: <a rel="nofollow" class="external text" href="https://books.google.de/books?id=ehUjAQAAMAAJ&amp;pg=PA645">Google Books</a>