26.10.2012 Views

A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

96 TUB METALLURGY OF ANTJMONY.<br />

The roasting furnace is composed of two cupolas, a b and c d<br />

rectangular in section and communicating with the superior part, e,<br />

D<br />

-T- ft —<br />

comnion to both; each cupola is charged, as usual, with alternate<br />

layers of combustible matorial and oro ; each cupola,a, e, communieuteB<br />

with an inferior cupola, b, d> whore tlio last traces of the oxide are<br />

removod from tlic Hcoria, and whoro hot air is produced, which,<br />

together with the motallic gas, returns into the wuporior cupola<br />

through little channolH in the masonry, f\ fa h> i, and through/ 1 , f\<br />

y\ h\

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!