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Find number abc

If a1cab - bb195 = c292 find number abc. Multiple solutions may exist.

Correct answers: 5

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Heinrich Geissler

Died 24 Jan 1879 at age 63 (born 26 May 1815).German glassblower for whom the Geissler (mercury) vacuum pump and the Geissler tube are named. With the unprecedented (1/100 mm of mercury) low vacuum he produced in sealed glass tubes, he made available to early physicists a valuable tool to study the effect of electricity on the remaining traces of gases therein. These produced more detailed studies of the structure of matter.[DSB and EB give birth year as 1815, but Chambers Bio. Dict. gives 1814.]

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