- Baltimore City
- Dates: 1844
Notes: Dr. Colton exhibits the use of “laughing gas” (nitrous oxide) at Assembly Rooms, and shows its application to Dentistry.
Source: Cordell, Eugene Fauntleroy, Medical Annals of Maryland 1799-1899 Baltimore: The Medical and Chirurgical Faculty for the State of Maryland: 698
- Dates: 1844/08
Notes: Dr. Colton exhibits the use of Laughing (Nitrous Oxide) Gas at Assembly Rooms and shows it application to dentistry
Source: Quinan, John Russell, Medical Annals of Baltimore from 1608 to 1880, including Events, Men and Literature to which is added a Subject Index and Record of Public Services Baltimore: Press of Isaac Friedenwald: 38