be treated flows, under its own pres- stud at the other side of the meter passes through an sure, from the city mains through the pipe to its aperture in the bar A, and the keeper D, which is highest point, and in descending draws the ozone, by screwed onto the stud, serves to hold the bar against… … THBOUGH AN ASPIBATOB. ly increased for larger installations. LOCK FOB ELECTRIC METERS.
Supplement · Curtiss · Concrete · Newcomb · Machine · American supplement · Scientific American · Rapid transit · Float chamber · American supplements · Variable numbers · Fourth dimension · Seedless dates · Siphon tube · Three dimensions
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-102-42.webp)
