In 1864 a photographer employed by Mathew Brady used a four-lens camera to record activity at a Union Army wharf along Potomac Creek in Virginia. The four images were taken in quick succession, so staggering them produces a crude time lapse of the events they record:
In effect they present a four-frame film, perhaps the closest we’ll come to a contemporary movie of life during the Civil War. Here are a few more, all taken in Virginia in 1864:
Union cavalry crossing a pontoon bridge over the James River:
Traffic in front of the Marshall House in Alexandria:
Union soldiers working on a bridge over the Pamunkey River near White House Landing:
There’s more information at the National Park Service’s Fredericksburg & Spotsylvania National Military Park blog.