
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)