filar

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For several thousand years the stars have been called "fixed," but the fine rulings of the filar micrometer tell a different story.

From Scientific American Supplement, No. 288, July 9, 1881 by Various

To Bouguer in 1748 is due the true conception of measurement by double image without the auxiliary aid of a filar micrometer, viz. by changing the distance between two object-glasses of equal focus.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

Westfall, staring into the eyepiece of the filar micrometer, finished measuring the apparent size of the heptagon before he turned toward Stevens and Brandon.

From Spacehounds of IPC by Smith, E. E. (Edward Elmer)

The method of observing which Brünnow employed was quite different from that of Struve, though the filar micrometer was used in both cases.

From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir

In the filar micrometer two spider lines are parallel, and one intersects them at right angles.

From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir