That sounds like a magnifying glass.
Hand lens.
Hand lens
spy glass
Binocular
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.
Magnifying glass
magnifying glass
It is a magnifying glass. A microscope is also used but is not technically hand-held and the majority of the time has more than one lens.
A hand flute.
Naarada does not use percussion instrument. He uses stringed instrument called " Tamboori" and another hand held instrument called "Chittige Taala"
Using a hand generator to produce electricity takes 'physical energy' to turn the handle.
It can not handle the hand written text.