![](http://www.alamy.com/thumbs/6/011A290B-5644-4CF7-84F9-9C700BD758FB/C55NA5.jpg)
1867 engraving, "Glorious Triumph! Teeth Extracted without Pain with Nitrous Oxide or Laughing Gas."
At Merritt & Sons' Dental Rooms. From The Republican Standard, Bridgeport, Connecticut.
Size: 3999px × 4230px
Photo credit: © Old Paper Studios / Alamy / Afripics
License: Licensed
Model Released: No
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