1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 4 chain in cage whimsy based on my sense of

based on my sense of Bone's outlook

2nd half of the 19th century I believe

contemporary

Nothing extraneous

which a ribbon could be pulled through to hang it

1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 4 chain in cage whimsy based on my sense 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