Gas engine generator plant Clark DG-4 was supplied by Clark Bros. Co together with General Electric in 1945-1946 for use as emergency power supply plant at gas compressor stations of cross-country gas pipeline Saratov - Moscow.
<a href="//commons.wikimedia.org/wiki/User:Wulfson" title="User:Wulfson">Wulfson</a>
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<span class="int-own-work" lang="en">Own work</span>