An instrument for viewing echoes.
An instrument for viewing echoes.
Speculum
A instrument used for viewing and observing
A magnify glass
i think a microscope or a elctronmicroscope
scopy
i think a microscope or a elctronmicroscope
denoting an instrument for observing, viewing, or examining
Examination of the contents of the abdominal cavity with a fiberoptic tube inserted through a small incision
An alethoscope is an instrument for viewing pictures by use of a lens, so as to see them in their natural proportion.
A spectrohelioscope is an instrument used for viewing the Sun's spectrum. It was designed by George Ellery Hale in 1924.