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They are called ophthalmoscopes.
Naarada does not use percussion instrument. He uses stringed instrument called " Tamboori" and another hand held instrument called "Chittige Taala"
tiny bamboo.. (lokal name.. bagakay)
Hand lens
A puppet tabla and a santoor are used in the beginning
Telescope.
Rheostat is the name of an instrument used to vary electrical resistance.
microscope
They are called ophthalmoscopes.
syringe
Timepieces.
polytechnic drawing instrument
Bongos.
A set square !
a compass i think
Electronic microscope
It is Thermoscope