Althofen, Austria |
Click on individual icons to see larger pictures and text.
Elements: Neodymium, Praseodymium, Lutecium (casseopeium)
Location: Althofen
Scientist: Welsbach
14th century dwelling |
||||
thorium oxide |
the "Auerlicht," |
filaments in light bulbs |
expert glass blower |
|
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," |
"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 |
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 |
Copyright ©2018, Dr. James L. Marshall and Virginia R. Marshall
All Rights Reserved.