CHARLES BABBAGE AND HIS REJECTED OPHTHALMOSCOPE.
D004739:England; D004864:Equipment and Supplies; D049671:History, 18th Century; D049672:History, 19th Century; D019721:Ophthalmoscopes; D009887:Ophthalmoscopy
BIOGRAPHIES; ENGLAND; EQUIPMENT AND SUPPLIES; HISTORY; HISTORY OF MEDICINE, 19TH CENT.; OPHTHALMOSCOPY