The detail of making a measurement by means of the micrometer eyepiece is very simple.
Gascoigne overcame this difficulty by his invention of the micrometer.
This ring is necessary in order to allow the rods to follow the micrometer heads when the position angle is changed.
They are all provided with fine adjustment by micrometer screw.
And we don't have a common ruler aboard, much less a micrometer.
This mounting is called the "micrometer" device, because of the accuracy of adjustment.
micrometer, mī-krom′e-tėr, n. an instrument for measuring minute distances or angles.
They represent the value of one turn of the micrometer in millimeters.
The bottom of the box is a micrometer plate, divided rectangularly in millimetres.
He might have been turning the screw of a micrometer; I could not see.
micrometer mi·crom·e·ter1 (mī-krŏm'ĭ-tər)
A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.
micrometer mi·cro·me·ter2 (mī'krō-mē'tər)
Abbr. μm A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6) of a meter. Also called micron.
A device for measuring very small distances, angles, or objects, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.