1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 3 lock shaped key holder but the wood has been

but the wood has been hollowed out and whittled

from tile to lamps to bowls

with the final marble ending up in the centre hole

with light wear and minor foxing along edges

1942 Carl Lange Stereoscopic Opthomological "Coordinator" Slides - Set 3 lock shaped key holder but the wood has beenI 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