ing tial operation, and is in a fair way to be completed. pier is used, while in the suburbs of towns through the foundations and the stations. If we include the About half the system was in working order some which the line passes the trusses are carried upon twelve months ago, and the whole line,… … solution required to purify the gas depends only upon mediate A-frames being the quantity of gas to be treated aud the amount of provided with ball and WUPPER RIVER. impurities it contains. socket joints. By this ar- It appears from the observations made by F. B. rangement the intermedi- Ahrens,…
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