ewan koh
Regulates the amount of light entering the body tube...
Observation
The observation of an objective from an observation post (OP)
it is observation
An observation can be anything you observe through your five senses: sight, smell, touch, hear and taste. Anything that you can describe would be considered an observation.
An Observation Tube and an Infared Microscope do the same thing.
the function of draw tube is a ...............
the function of eustachin tube is to control the air pressure
The long tube
Some enzymes behave unnaturally in a test tube (Apex).
A brontescopy ..? observation with flexible tube instrument used to examine the inside of lungs
it is use to hold the test tube
it
Its function is to keep the eyepiece in place
Its function is to keep the eyepiece in place
The Magnetron tube is quite different from the Klystron tube. The Magnetron tube is can only function as an oscillator only.
used to place the test tube . :D hahaha