Browse Items (1 total) Tags: Electrical engineers Browse All Browse by Tag Search Items Browse References Sort by: TitleCreatorDate Added Electrical Engineer Charles Phillips reading the meter of his methane gas regulator "Local methane: Electrical engineer - Charles Phillips reading the meter of his methane gas regulator. The two cylinders are called digestors. Pig manure are placed inside to begin the process for producing cooking gas." Tags: Electrical engineers; Renewable energy sources; Storage tanks Featured Item The Falmouth Courthouse View of the Falmouth Courthouse that was originally completed in 1817.