1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 2 hand-painted slides with a heart shaped leaf

with a heart shaped leaf (the shape I think is wrong to represent a tobacco leaf) on a long stem

This is what you might expect

and its original pain on the exterior

a little wear around the edges and very minor traces of wrinkling

1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 2 hand-painted slides with a heart shaped leafI 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