. The Saturday evening post. RIPLEX • CENTRIFUGAL * ROTARY * DEEP WELL ForifT ttiwPSubstaiice of a thousand products WITH mortar and pestle, retort and still, the chemist inhis shop compounded his wares a century ago. His re-actions took hours—his products were not uniform—he couldonly manufacture in small quantities, with large waste. Hehad to pour his chemicals by hand. Today the chemical industries in America rank second invalue of plants and equipment. Billions of dollars are in-vested ; hundreds of thousands of men are employed. A thousand specialized processes turn out a thousandstandard
. The Saturday evening post. RIPLEX • CENTRIFUGAL * ROTARY * DEEP WELL ForifT ttiwPSubstaiice of a thousand products WITH mortar and pestle, retort and still, the chemist inhis shop compounded his wares a century ago. His re-actions took hours—his products were not uniform—he couldonly manufacture in small quantities, with large waste. Hehad to pour his chemicals by hand. Today the chemical industries in America rank second invalue of plants and equipment. Billions of dollars are in-vested ; hundreds of thousands of men are employed. A thousand specialized processes turn out a thousandstandardized products—necessities of your everyday life. Andin every process the integrity of the product depends onpumps that unite its chemical constituents. Soap comes to you pumped through immense mixing in contact with tanning liquor and pumped water pro-duce leather for your shoes. Textiles—linen, cotton and woolen—are finished by bleaching, with pumped agents. Dyestuffs arepumped; dyeing is partly a pum
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Keywords: ., bookcentury1800, bookidsaturdayeveningp1933unse, bookpublisherph
