These gifs made with old stereographs* are so intriguing! What an interesting way that something as weirdly niche and irrelevant as a gif can be coupled with a correlating oddity of media from a century ago. Though they are a little vertigo-inducing to look at. . .
Main corridor, White House. 1859?-1910?
Bicycle Parade (Safety.), Rochester, N.Y [ca. 1895] [1860?-1900?]
L. A. W., bicycle race, ordinary, the finish. 1865?-1880? 1890
*double pictures taken simultaneously, a couple inches apart in an effort to replicate the binocularity of human eyes)