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<p>[QUOTE=&quot;2manybooks, post: 9739514, member: 8267&quot;]Was this your device on reddit? And are you still looking for a better answer?</p><p><br /></p><p>&quot;It&#039;s a demonstration kit for power draw on DC generators. The belt drive on the right connects to the power source. Each gear-driven generator can be set to draw power (lighting up the little light on the front) thru the use of those pull-switches (?) at the top of the box. As each generator is turned on, you&#039;d be able to hear and see the drive motor strain against the current draw.</p><p>Source: I built something very similar but not nearly as nice in my 9th grade shop class.&quot;</p><p><a href="https://www.reddit.com/r/whatisthisthing/comments/14ct7qa/mid_20th_century_device_with_telechron_motors/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.reddit.com/r/whatisthisthing/comments/14ct7qa/mid_20th_century_device_with_telechron_motors/" rel="nofollow">https://www.reddit.com/r/whatisthisthing/comments/14ct7qa/mid_20th_century_device_with_telechron_motors/</a>[/QUOTE]</p><p><br /></p>

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