๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

THE PRODUCTION OF OPTICAL GLASS IN THE UNITED STATES


Book ID
121115106
Publisher
American Association for the Advancement of Science
Year
1918
Tongue
English
Weight
79 KB
Volume
47
Category
Article
ISSN
0036-8075

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Coke production in the United States
๐Ÿ“‚ Article ๐Ÿ“… 1912 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 65 KB

The quantity of coal used for coking in 191o was 63,o88,-327 short tons. There were 578 coking establishments in existence at the end of I9IO, representing lO4,44o ovens. Nine establishments, representing 894 ovens, were abandoned or dismantled, and IOO establishments were idle during 191o. As to by