. Review of reviews and world's work. st r)00 carloads are shipped fromtl»e city every year, the vahu? of the productbeing from $110 to |! per ton. The largest pickling and preserving works inthe world is located in Allegheny. It persons constantly, and consujiies materialwhich calls for the labor people in car-ing fi>r the crops used entirely by one company operates !• factories, employs 400traveling salesmen from all parts of the uses the products of acres of vegeta-ble farms. The main factory covers 13 acres,the capital invested amounting
. Review of reviews and world's work. st r)00 carloads are shipped fromtl»e city every year, the vahu? of the productbeing from $110 to |! per ton. The largest pickling and preserving works inthe world is located in Allegheny. It persons constantly, and consujiies materialwhich calls for the labor people in car-ing fi>r the crops used entirely by one company operates !• factories, employs 400traveling salesmen from all parts of the uses the products of acres of vegeta-ble farms. The main factory covers 13 acres,the capital invested amounting to t(., tlie jtroduct being valued at !ji4,r>.T0, one company operates its own glass factory,and makes all of its own bottles and jars. Pittsburg is so accustomed to figures of largetonnage tliat many are surprised at the fact thatthe citv is renowned throughout the world forthe perfection of its astronomical arc Ihi every modern observatory of the 66 THE AMERICAN MONTHLY REVIEW OF PROF. JOHN A. BRASHEAB. (The noted scientist and manufacturer of lenses andoptical goods.) world, and during the Spanish-Ameriran war,Pittshurg range-finders were used to aim morecorrectly Pittsburg projectiles. There was re-cently made in the astronomical laboratory ofProf. John A. Brashear the largest perfect planein existence. It is thirty inches in diameter,and no part of tlie surface varies one-millionthof an inch from a true plane. The delicacy andperfection of its instruments have resulted inmany important discoveries during the past dec-ade or more. There are in all in the Pittsburg district 5,000manufacturing plants, many of them unusuallylarge. These give employment to 250,000 per-sons, and the value of the product they make inone year is estimated at $450,000,000. The cap-ital invested is about |2,000,000,000. For many years, Pittsburg devoted itself al-most exclusively to the manufacture of iron andsteel tonnage, but since the day of m
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1890
