(animated stereo) Bathing beauties in the Gilded Age, 1898
To animate a column width image (511 x 566) scroll down to the comments. A much larger (1532 x 1698) image can be animated by viewing original size (click all sizes)
The purpose here is not to duplicate the original image, from the Library of Congress website, but to generate a downloadable animated gif to assist viewing and presentation. Note that the original there is first generation and should have more detail.
The library of congress offers a multitude of historical images online, many needing no license to redistribute. The original 1898 image, from an Underwood & Underwood negative, is titled Heartbreakers along the seashore. No known restrictions on publication. Library of Congress digital ID: hdl.loc.gov/loc.pnp/cph.3c00442
Image rotations, resizing, alignment, and animated gif generation done with StereoPhotoMaker, a freeware program by Masuji Suto & David Sykes.