metronome
Which type of instrument are you referring to, musical instrument or tool instrument? If you mean musical instrument, it was David playing a harp. During our first father Adam's 930 years, the bible said that he was witness to the forging of iron and copper.
This instrument is called a stethoscope.
a sphygomanometer is actually a tool used for measuring blood pressure in your arteries. the "instrument" refers to a tool, but i do see where you got that.
The most common instrument (tool) is a tape measure.
A tool or instrument
device
Organ derives from Latin, meaning organum, "instrument, tool", and from Greek -όργανον - organon, "organ, instrument, tool") -BowieBoy
Instrument, utensil, gizmo
instrument, device, means, apparatus
An assessment tool refers to a broader category that includes methods used for assessment, such as tests, surveys, or rubrics. An assessment instrument, on the other hand, is a specific tool within that category that is designed for a particular purpose, such as a specific test or questionnaire.
It is most commonly a musical instrument like a flute, violin or saxophone. It can also be like a instrument is like a tool.
apparatus, appliance, gadget, tool