Title
First dental anaesthesia.
Caption
First dental anaesthesia. Experiment of Horace Wels. Protoxide of nitrogen. Hospital of Boston.
Credit line
Photo12/Hachedé
Reference
HAC00099_P1900490
Model release
No
License type
Rights managed
Available size
27.4Mb (1.7Mb) / 11.8in x 9.0in / 3543 x 2705 (300dpi)