1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 4 chain in cage whimsy with a fair number of

with a fair number of tiny bubbles in the glass) and the whimsy date to the late 19th century or so

and this one provides a better grip

Nothing extraneous

contemporary

Each one is a bit different

1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 4 chain in cage whimsy with a fair number ofI was pretty excited to find a box full of these handmade slides at the flea market this weekend a box in which many were rolled up in newspaper from 1945, seemingly untouched since then! What I've learned is that Carl W. Lange Sr. and Jr. , who copyrighted this set of stereoscopic slides in 1942, were father and son opthomologists with a practice near St. Louis and a particular commitment to curing myopia (nearsightedness.) They wrote and travelled