Title :
A simplified method for checking the orientation of the optic axis of meter jewels
fDate :
4/1/1950 12:00:00 AM
Abstract :
A simple polarized-light microscope has been developed for checking the orientation of the optic axis of sapphire jewels as used in watt-hour-meter bearings. The method is quick, accurate and simple in use. An accuracy of ±2° is obtained for angles between 80° and 90°.
Keywords :
instruments; machine bearings; watthour meters;
Journal_Title :
Proceedings of the IEE - Part II: Power Engineering
DOI :
10.1049/pi-2.1950.0082
