Spherometer
Nuttall's Standard Dictionary of the English Language · 1890 · p. 170
sfe-rom'-e-ter, s. an instrument for measuring the thickne of small bodies, the curvature of round bodies, . (Gr. sphaira, and meter).
Bu kavram başka kaynaklarda da geçiyor
Hawkins' Electrical Dictionary (1915)
The American Illustrated Medical Dictionary (1913)
The American Dictionary and Cyclopedia (1910)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Optical Dictionary (1904)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
Dictionary of Science, Literature and Art (1842)
Prism-spherometer
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The Optical Dictionary (1904)
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