Graticules and fine scales: their production and application in modern measuring systems
E Bovey; E Bovey; British Scientific Instrument Research Association, Chislehurst, Kent
Журнал:
Journal of Scientific Instruments
Дата:
1962-08-01
Аннотация:
After a historical survey an account is given of a wide range of processes employed for graticule manufacture. Optical, photographic and mechanical requirements together with their respective limitations are discussed. Finally, some special high quality graticules and scales employed in modern measuring systems are described.
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