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About The west shore. (Portland, Or.) 1875-1891 | View Entire Issue (Jan. 1, 1887)
THE WEST SHORE. Whpn ;n required the expenditure of a great deal L.ijr known a. quack lime, hen objects in of lhi' Tn:iOD H Sb wa e to economize labor, fuel and n"ty ' It will unit,, but very slow- the high degree of temperature to which Ir, with ..licm md.1 or quite These the inner surface is subjected, and have jiroi-rtic empire to make quick lime the appearance, from the top of wells, on. of the mt uM-ful substances, for, being vertical cylindrical shafts, twenty, m c.naequence. it becomes possible to fire or more feet deep. At the bottom male mortva and commute, which are there is a passage for discharging the inlu(uill in the arts. Quick lime finished product; opening into the cham ia the oxide of calcium; slakexl lime is ber near the base are three fire-places, quirk lime mbined with water, form- which supply the necessary heat Wood ing. in chemical language, a hydrate, is the fuel, and something in excess of a Slaked lime, apread as a mortar upon cord each day is consumed in each fire the valla of a dwelling, or in the inter- place, the highly heated gaseous pro Kticrti of brick work, loses its surplus ducts of combustion passing into the vitW, retaining a definite quantity, and shaft and circulating among and heating klxorU carbonic acid from the atmos- the fragments of limestone. A ton of I there, and thus hardens cr "seta." Sand limestone will produce six barrels of ia added primarily for the purpose of af- lime, containing two hundred and twen ftnling numerou centera of attraction, ty pounds per barrel, as put up at these around which the neighboring particles works, instead of the ordinary weight of f lime are grouped, whereby large and two hundred pounds, as elsewhere. iMjr extended cracks are prevented. Although people speak of " burning " The operation of freeing the limestone lime, it is easily seen that the word is a f mrn iU carbonic acid ia performed aim- misnomer, for the lime does not burn in ply by raiding it to a light red heat, the least It neither takes fire nor is hch ia aufhcient to drive off the vola- otherwise consumed. We may the more UlegM. Theoretically, there is forty- plausibly take exceptions to that word, four ,r cent of carbonic acid and fifty, as used in this connection, as there is wx -r ceLt. of hoe ,n limestone, but an excellent and expressive one which The l?rl?t " T b natar& meeta exactly I " calcine," mlllTur; U;iimMU)ne wUch U derived from calc, the Latin " .t f Cum m- Mme l lime. Zt Jtrf Which 8UU AbQndant 8QPP of pure and easily UDcmnoa r uritr P- f&r hme8tone has not fd iing coZU L Z s 6 m ?re80IL The onJy " at present U the quay t atK T" b "Z is the quarry WA the iJTgi ""W in this city derives examine the kilna, we will find that the 1 'IS?1' It,4hew 6xist8 k immen8e inKkJ. though aimple in iwlf hll! 5 1111(1 considerably better f tM yet wage for purity. Analysis