Estimated Date: 1908
Name: Anesthesia, Morris Stark Unique Inhaler
Manufacturer: Ek. De Trey and Sons
Description: Engraved as above Somnoformermold, Pat date July 7, 1908 Mask, missing rubber rim, with wire mesh, nose shaped, 4.5“x 3.5” leads to a valve to adjust flow of outside air and then a right angle, which must have connected to bag with a parallel tube.
Reference 1: 44