Semaphore kerosene lantern by Hiram L. Has one blue lens and two peep hole lenses. This is nearly identical to the corresponding ADLAKE, or Adams & Westlake version and is similar to the Handlan #28 from 1910. Access lid is easy to open and close and is embossed PIPER MONTREAL. There is more embossing but it is illegible.
There is a parabolic mirror behind the wick.