HEINRICH See also:

• HEINRICH GEISSLER (1814-1879)

GEISSLER (1814-1879)  , See also:

• GERMAN
• GERMAN, DUTCH AND SCANDINAVIAN

German physicist, was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born at the See also:

• VILLAGE

village of Igelshieb in See also:

• SAXE, JOHN GODFREY (1816-1887)
• SAXE, MAURICE, COMTE DE (1696-1750)

Saxe-See also:

• MEININGEN

Meiningen on the 26th of May 1814 and was educated as a See also:

• GLASS
• GLASS (O.E. glees, cf. Ger. Glas, perhaps derived from an old Teutonic root gla-, a variant of glo-, having the general sense of shining, cf. " glare," " glow ")
• GLASS, STAINED

glass-blower . In 1854 he settled at See also:

• BONN

Bonn, where he speedily gained a high reputation for his skill and ingenuity of conception in the fabrication of chemical and See also:

• PHYSICAL

physical apparatus . With See also:

• JULIUS

Julius See also:

• PLUCKER, JULIUS (18or-1868)

Plucker, in 1852, he ascertained the maximum See also:

• DENSITY (Lat. densus, thick)

density of See also:

• WATER

water to be at 3.8° C . He also determined the coefficient of expansion for See also:

• ICE (a word common to Teutonic languages; cf. Ger. Eis)

ice between -24° and -7°, and for water freezing at o° . In 1869, in See also:

• CON

con-junction with H . P . J . Vogelsang, he proved the existence of liquid See also:

• CARBON (symbol C, atomic weight 12)

carbon dioxide in cavities in See also:

• QUARTZ

quartz and See also:

• TOPAZ

topaz, and later he obtained amorphous' from See also:

• ORDINARY (med. Lat. ordinarius, Fr. ordinaire)

ordinary See also:

• PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus by means of the electric current . He is best known as the inventor of the sealed glass tubes which See also:

• BEAR
• BEAR, BLACK
• BEAR, BROWN
• BEAR, GRIZZLY
• BEAR, ISABELLINE
• BEAR, WHITE

bear his name, by means of which are exhibited the phenomena accompanying the See also:

• DISCHARGE (adapted from the O. Fr. discharge, modern decharge, from a med. Lat. discargare, to unload, dis- and earn care, to load, cf. " charge ")

discharge of See also:

• ELECTRICITY

electricity through highly rarefied vapours and gases . Among other apparatus contrived by him were a vaporimeter, See also:

• MERCURY
• MERCURY (MERCU1uus)
• MERCURY (symbol Hg, atomic weight = 2oo)

mercury See also:

• AIR (from an Indo-European root meaning " breathe," " blow ")
• AIR, or ASBEN

air-See also:

• PUMP

pump, balances, normal thermometer, and areometer . From the university of Bonn, on the occasion of its See also:

• JUBILEE (or JUBILE), YEAR OF

jubilee in 1868, he received the honorary degree of See also:

• DOCTOR (Lat. for " teacher ")

doctor of See also:

• PHILOSOPHY (Gr. gthos, fond of, and vo4 (a, wisdom)

philosophy . He died at Bonn on the 24th of See also:

• JANUARY

January 1879 .

See A . W . See also:

• HOFMANN, AUGUST WILHELM VON (1818-1892)
• HOFMANN, JOHANN CHRISTIAN KONRAD VON (1810—1877)
• HOFMANN, MELCHIOR (c. 1498—1543-4)

Hofmann, Der. d. deut. chem . Ges. p . 148 (1879) .