“Geissler”

The following 3 entries include the term Geissler.

Geissler bulb

noun

: a potash bulb consisting usually of two upper bulbs connected by three lower smaller bulbs often used in plural

Geissler pump

noun

: an air pump based on the principle of the Torricellian vacuum and having its vacuum produced by the flow of mercury back and forth between a fixed and a vertically adjustable reservoir

Geissler tube

noun

: a gas-filled discharge tube having various shapes and usually a narrowly constricted portion in which the luminosity is intensified

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