The word you're looking for is... Abacus.
A calorimeter can be used to calculate specific heat capacity.
you can use a hygrometer. which is an instrument used for measuring humidity.
metronome
Microscope Magnifying Glass
A measuring instrument that starts with micro is a micrometer.
the instrument that starts with a e is euphonium thank you i hope you use this
The whistle is a musical instrument. The washboard is a musical instrument.
· Yazheng (a Chinese string instrument)
Saxophone
Tambourine is a musical instrument. Tuba is a musical instrument.
marimba. its a percussion instrument
A Quena, A South American fold instrument- wind instrument