- 1923 - 1936
Photograph showing two unidentified men, possibly firefighters, handling an H-H Inhalator device. They are kneeling next to the device and a group of unidentified men partially outside the frame are gathered around them. The man at right is carrying protective breathing equipment on his back. See related image Nos. 371N4066, 371N4067, 371N5570, 371N5571, 371N5572, and 371N5573.