. The American encyclopædia of commerce, manufactures, commercial law, and finance. main pipes whichproceed from tho Fig. 222. — Gasalier. gaa*worksaro large In diameter; tbo^o through the minor streets smaller; andthose into the houses smaller tttij. The larger pipes are ofcast-iron. In pieces 9 or 10 foet long, well jointed and luted. Assome districts require more gas than others, as more is requirediu winter than in suunuvr, oa tlure is u large and sudden de- mand every day just as night closes in. and as there is alwaysless demand on Sunday than on week-days, ii vast amount ofconsideration
. The American encyclopædia of commerce, manufactures, commercial law, and finance. main pipes whichproceed from tho Fig. 222. — Gasalier. gaa*worksaro large In diameter; tbo^o through the minor streets smaller; andthose into the houses smaller tttij. The larger pipes are ofcast-iron. In pieces 9 or 10 foet long, well jointed and luted. Assome districts require more gas than others, as more is requirediu winter than in suunuvr, oa tlure is u large and sudden de- mand every day just as night closes in. and as there is alwaysless demand on Sunday than on week-days, ii vast amount ofconsideration is needed in s^tonng a sufficient quantity, and inmaking the pressure vary with the demand by the aid and srlf-acfnig govfruojs. The smallerpipes, to convey the pas into houses, are often of lead or pewter.— Ilie machinery of all gas manufactories is the same inprinciple, and seems now to bo almost perfect. The chief im-provements made in the machinery consist in the manner ofapplying to the gasometer the pressure which regulates theforce of the I
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherbostonesteslauriat
