Jeffries, B. Joy (Benjamin Joy), 1833-1915
Found in 2 Collections and/or Records:
"CHARRIERE A. PARIS" - inside the case; "CHARRIERE OPHTHALMOSCOPE DU(?)D.DESMARRES"- on the ophthalmoscope; "Desmarres ophthalmoscope given by Dr.B.Joy Jefrries" - paper note inside the case;
Jeffries, B. Joy (Benjamin Joy), 1833-1915. Donders' Worsteds for testing color blindness, used by B. Joy Jeffries in his research, 1857-1915, 1857-1915
"HOLMGREN'S WORSTEDS" printed on exhibit label in box. "M. 428 / Holmgren Worsted" handwritten on tag. Notes about the kit present in box on stationary belonging to B Joy Jeffries.
- Subject: Medical Instruments, Equipment, and Devices X