Pencil
An Illustrated Dictionary of Words Used In Art and Archealogy. · 1883 · p. 28
A collection of rays of light converging to a point is so called.
Bu kavram başka kaynaklarda da geçiyor
The American Illustrated Medical Dictionary (1913)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Explanation of Terms Used in Entomology (1906)
The Optical Dictionary (1904)
An Illustrated Encyclopedic Medical Dictionary (1894)
Zell's Condensed Dictionary (1879)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
Pantologia (1813)
Pencil-fever
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The Slang Dictionary Etymological Historical and Anecdotal (1913)
Slate-pencil
—
Nuttall's Standard Dictionary of the English Language (1890)
Indicator-pencil
—
Illustrated Marine Encyclopedia (1890)
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