"Micron" Quotes from Famous Books
 ... 7 The micron is the unit of microscopical measurements. It is equal to 1/1000 of a millimeter and is indicated by the symbol {GREEK ...
— Physiology and Hygiene for Secondary Schools • Francis M. Walters, A.M.
... in use to-day, in the various branches of scientific investigation, we should not forget that it has been a plant of very slow growth, and it is interesting indeed to glance along the pathway of the past to see how step by step our micron of to-day has been evolved from the cubit, the hand's breadth, the span, and, if you please, the barleycorn of our schoolboy days. It would also be a pleasant task to investigate the properties of the gnomon ...
— Scientific American Supplement, No. 484, April 11, 1885 • Various |
