Althofen, Austria

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Elements: Neodymium, Praseodymium, Lutecium (casseopeium)
Location: Althofen
Scientist: Welsbach



Althofen--the view is westward


Carinthian mountains surround the village


City of Treibach looking eastward


Signpost to the Welsbach Museum

14th century dwelling


Pfarrkirche from 14th century


hotel -- Prechtlhof , base of operations


elegant hotel at modest prices


Furnishing reflected lifestyle



Dining was rustic, but exquisit


Museum 300-meters from the hotel


Museum entrance


Welsbach's relief



praseodymium glass

Neodymium-tinted glass

thorium oxide

the "Auerlicht,"

filaments in light bulbs

expert glass blower


light bulb filaments was osmium.

bulb filament, osmium.

atomic weight of lutetium

spectrum of ytterbium

sample of "casseopeium."

"Casseopeium oxide."

19th century German chemists materials

textbook by Wöhler

information on Liebig

Justus Liebig in his laboratory ...

History of Science

Welsbach studied with Bunsen

an original Bunsen burner

Welsbach's important inventions

In later (more modern) designs

"lighter-fluid wick."

"Schwingdeckel-Feuerzeug"

lighter depends upon the creation of sparks

"Auermetal,"


sample of cassiopeium oxide

"aldebarium oxide."

prasedymium ammonium nitrate

neodymium ammonium nitrate

"ionium,"

Thorium-230

sample of actinium

Welsbach lamps

original light bulb

original village of Treibach

Treibacher Industrie of Althofen

accomplished glassworker

Welsbach's laboratory


Welsbach Monument in Vienna

Memorial in Vienna

monument at Treibacher Industrie

Treibacher Industrie

frontof Treibacher Industrie

Another view

view of the Treibach works

drive up to the Welsbach Castle

Welsbach Castle

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