Laboratory instrument that detects and measures small electric currents. Galvanoscope Instrument that measures and determines the direction of electric current.
Gambrel
A roof that has two different pitches.
Gambrel roof
A roof with two pitches, designed to provide more space on upper floors. The roof is steeper on its lower slope and flatter toward the ridge.
Gang
(1) A set of tools, machines, etc. designed or arranged to work together. (2) A group of workers directed by a foreman. (3) A group of people associated together in some way.
Gang box
Also called a handy box, this small, steel or plastic box is used to mount outlets or electrical switches in walls or for joining conduit or cable.
Gang drilling
Stacking up a group of panels so that the holes that are drilled are identically placed in all of the panels.
Gang mandrel
Steel shank that holds more than one tool or several pieces of work to turn simultaneously on a lathe. A nut threaded on the end of the shank hold the pieces in place.
Gang milling
Using multiple heads for milling or shaping more than one piece at a time.
Gang operations
Working on several identical items simultaneously.
Gang saw
Power saw equipped with multiple blades to make several parallel cuts at once.
