1) Measuring instrument
Found on
https://www.crosswordclues.com/clue/grindometer
A grindometer is a device used to measure the particle size of suspensions, typically inks such as those used in printing, or paints. It consists of a steel block with a channel of varying depth machined into it, starting at a convenient depth for the type of suspension to be measured, and becoming shallower until it ends flush with the block`s s....
Found on
http://en.wikipedia.org/wiki/Grindometer
No exact match found.
