eyepiece micrometer

Thus a micrometer equivalent for a division of your eyepiece micrometer can be determined.

The young Wren stressed that, unlike the leading telescopic observer of the previous generation, his lunar work would be based on measurement, through the application of the eyepiece micrometer.

After clearing the fetuses were inspected with a dissecting microscope and the width of the vertebral arch gap was measured with an eyepiece micrometer from T-9 to S-4.

If you know the size of the fish, measure the distances between the scale rings (e.g. with an eyepiece micrometer) and calculate the length of the fish at each previous winter, by assuming the scale grows proportionately to fish length.