1) Popsicle on a hot day 2) Volumetric instrument
Found on
https://www.crosswordclues.com/clue/dripstick
A dripstick is a thin hollow tube installed vertically in the bottoms of fuel tanks of many large aircraft, used to check fuel levels. To read a dripstick, it is withdrawn from the lower surface of the wing. When the top of the dripstick is withdrawn below the level of the fuel, fuel enters the dripstick and drips through a hole in the cap. Gradua...
Found on
http://en.wikipedia.org/wiki/Dripstick
No exact match found.
