Daguerreotype of an unidentified man posing with a steam engine, c. 1850.

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Well, not sure exactly, but do you see those twisted vertical lines by the man’s head? Those are belts [running from an overhead pulley shaft to run machinery](https://encrypted.google.com/search?tbm=isch&q=pulley%20powered%20machine%20shop&tbs=imgo:1#imgdii=_&imgrc=Np8r8LN8W1T0RM%253A%3BegmSdu_bK6QtAM%3Bhttp%253A%252F%252Fwww.dansdata.com%252Fimages%252Fblog%252Fdrive_belts%252Fmany_belts_1280.jpg%3Bhttp%253A%252F%252Fwww.howtospotapsychopath.com%252F2012%252F06%252F12%252Fthe-pulley-paradox%252F%3B1280%3B985)

This is how most factories and machine shops powered their equipment before the advent of small, cheap electric motors. In 1850, the shaft would have likely been connected to a water wheel or a single large steam engine outside. Later, kerosene or diesel engines, or a single large electric motor would have fulfilled the same function.

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