Sentence Examples


  • The Modern Filar Micrometer.
  • When equatorial mountings for telescopes became more general, no filar micrometer was considered complete which was not fitted with a position circle.'
  • The use of the spider line or filar micrometer 1 In 1782 (Phil.
  • A still further facility was given to the use of the filar micrometer by the introduction of clockwork, which caused the telescope automatically to follow the diurnal motion of a star, and left the observer's hands entirely at liberty.'
  • The latter are in fact little microscopes carrying a vernier etched on glass, in lieu of a filar micrometer.
 

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