Daily Archives: June 8, 2010

History of the Blink Comparator

Blink comparator, made welknown by Pluto discoverer Clyde Tombaugh in 1930, originated from the early 1900s. Carl Purfrich invented the stereo-comparator in 1900 and in 1904 he added a monocular microscope attachment to the comparator due to his lost of … Continue reading

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