First dental anaesthesia.
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)

Keywords

19th century

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