Origin of spherometer
Examples from the Web for spherometer
Historical Examples of spherometer
The spherometer is accepted as the sole guide in obtaining the proper curvature.
The glass is ground with emery to the correct spherical figure as given by a spherometer.
It is well to control this process by means of a spherometer, so that the desired radius may be approximately reached.
Before the grade of emery is changed all three surfaces must agree, as nearly, at least, as the spherometer will show.
The squares of glass are cemented to the roughing tool, and this is ground to the spherometer by means of the counterpart tool.