Some Recent Applications of Interference Methods

A A Michelson
1920 Proceedings of the Physical Society of London  
I t may be worth pointing out that this may furnish e. method for dividing e. circle t o the same order of accuraoy.
doi:10.1088/1478-7814/33/1/328 fatcat:a7dwl3g4q5amnma26rlv3mjbje