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Scientific American, Vol. 75, No. 3 (1896) (1896)

leaf 7

An illustration from Scientific American, Vol. 75, No. 3 (1896), 1896, leaf 7
e made on this machine to from one and the same cathode fall in groups whose spoken of as a quantity of considerable importance. 000001 of an inch, and with ordinary care measure- physical constants are connected by some definite law, In modern machine tool building, graduating of ments may be made… … each parish in the admin- exact size. istrative county of Lon- The accompanying cut don, on the night of Sun- shows the measuring ma- of an inch, In the same class of appliances is the Odon- day, March 29, has not yet been officially declared, chine, one of the numerous appliances for securing…

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