Ad for snow sweeper streetcars built by the <a href="https://en.wikipedia.org/wiki/McGuire-Cummings_Manufacturing_Company" class="extiw" title="en:McGuire-Cummings Manufacturing Company">McGuire-Cummings Manufacturing Company</a>, published in the <i>Electric Railway Journal</i>, November 25, 1922 (Vol. 60, No. 22).
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/ERJ/electricrailwayj60mcgrrich.pdf#page=284"><i>Electric Railway Journal</i>, November 25, 1922, advertisements page 16</a>