pebble
The American Illustrated Medical Dictionary · 1913 · p. 20
(peb’l). A kind of rock crystal from which lenses are sometimes cut.
Bu kavram başka kaynaklarda da geçiyor
Chamber's Twientieth Century Dictionary (1908)
The Optical Dictionary (1904)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
Readham'da tam maddeyi gor →