. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. loury,as oat meal dont fcike so much friction, the stones being kept so high—more so than in making flour. Leffels News. Nofe.—Leffels Milling and Mechanical Ketcs, from which the aboveitems are transcribed, is a monthly journal (terms 50 cents per aninmi), pub-lished by James Leffel& Co., of the cMebrated LefCel TurbineWlieel, Spring
. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. loury,as oat meal dont fcike so much friction, the stones being kept so high—more so than in making flour. Leffels News. Nofe.—Leffels Milling and Mechanical Ketcs, from which the aboveitems are transcribed, is a monthly journal (terms 50 cents per aninmi), pub-lished by James Leffel& Co., of the cMebrated LefCel TurbineWlieel, Springfield, Ohio. The paper is edited withoonsumraato ability, andit is safe to say that very many of the items contained in it are singly well■worth the whole years subscription tenfold. The Indianapolis Mechanical Journal (monthly, 50 cents per annum), J. , publisher, Indianapolis. Ind., is a most useful periodical to everyone who either operates or ■wishes to procure machinery, and the WesternManufacturer (monthly, S2 per annum), Coyne & Co., publishers (and Pate^^tAgents) Chicago, Ills., is unexcelled on theeubiect o£ etatietics and generalMormattoa of interest to mauufacturerQj^ ( 65C HAHRieONS GUI^■DI^■G HARRISONS IMPROVED STANDARD GRINDING MILL. The above iHustration represents a new improved light stundard 20inch grinding mill as constructed by Edward Harrison, of New Ha\ It weighs 600 Ihs. and tlie manufacturer claims for it a grindingcapacity (with from 6 to 20 horse-power) of from fi to 40bnshels per hour,and that with 1200 revolutions per minute, it has a griudin^c surfaceequal to J more than a common 48 inch run with 175 turns j/cr claims that the high speed adds a large grinding surface to the burrs,tliat the grain is exploded into meal, bran, &:c., as soon as it touches thsbnrrs, that the vertical iJosition of the stones jierniits easy delivery of themeal and cool giinding, and that there is not only no possibility of th
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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
