Yes , B17 , as Flying Fortress from WWII 😉
Working Project Title – Flying Furnace 😉
It started as happy mating of two jewels – original Weston Flying Fortress (B17 , WWII) Cylinder Head temp. gauge and cooling case of choke for induction furnace ( as seller of case told me ) .
Story , about salvaging that Weston instrument – when , where and how I found it , will take several pages of text , so better to leave it ………
So , it so steampunkish that I simply feel urge to do something with it ……
first – few pics from net , as confirmation of Gauge origin :