Gauge: in my experience is related to something with a dial or has variability. Like a Dial (indicator) gauge, air, liquid or fuel gauge.
Gage: is in relation to something that is a fixed tool, without a dial or adjustment knob, like a gage block or a gage pin, or thread gages.
Gauge: in my experience is related to something with a dial or has variability. Like a Dial (indicator) gauge, air, liquid or fuel gauge.
Gage: is in relation to something that is a fixed tool, without a dial or adjustment knob, like a gage block or a gage pin, or thread gages.