Some cool four axis milling images:
Image from web page six of “The production and utilization of corn oil in the United States” (1920)
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Title: The production and utilization of corn oil in the United States
Year: 1920 (1920s)
Authors: Sievers, A. F. (Arthur Frederick), b. 1885
Subjects: Corn oil Oil industries
Publisher: Washington, D.C. : U.S. Dept. of Agriculture
Contributing Library: U.S. Division of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library
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gement to draw off the corn graduallyat the bottom and to place in fresh corn at the best of the vat. Thetime necessary to prepare the corn appropriately for degerminating yariesfrom 36 to 40 hours therefore in the automatic arrangement that significantly THE PRODUCTION OF CORN OIL. time need to be needed for the corn to travel from the best of the vatto the outlet below. The object of utilizing the sulphurous acid appears to be a matter ofsome dispute. The following motives have been sophisticated for its use:(1) It softens the corn a lot more than plain water, and hence aids indegerminating (two) it acts as a bleaching agent and insures a whiterstarch and (3) it acts as a preservative and prevents the starch andgluten waters from becoming sour. The acid is largely dissipatedduring the processes that comply with, but the completed solution must notcontain a lot more than a mere trace of sulphur dioxid. Figure three shows in a basic way the variety of products made in aplant equipped for the manufacture of glucose. In plants exactly where
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Yig. 4.—Machine for wet degerminating. In this machine the two plates revolve in opposite directions. only starch is made the general scheme as regards the degerminatingis the exact same. The soaked corn is drained and then passed through a variety ofattrition mill, which shreds it and separates the germ from the re-mainder of the kernel and also loosens the hulls from the endosperm.The t}^pe of machine generally in use consists of two vertical platesmounted on a horizontal axis and geared straight to a motor. Inthe early sort of machine the two plates had been geared to differentmotors and revolved in opposite directions. (Fig. 4.) In someinstances they were run at different rates of speed, apparently withgood benefits. The most recent approved type, nonetheless, has a single stationaryplate. This eliminates one motor and drastically reduces the expense of themachine as well as the operating expense. (Fig. five.) The shredded corn is mixed with a huge quantity of water andtransferred to floating vats, which are lengthy,
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Image from page 325 of “Report of progress 1874-1889, A-Z ..” (1875)
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Title: Report of progress 1874-1889, A-Z ..
Year: 1875 (1870s)
Authors: Pennsylvania. Geological Survey (2d, 1874-1890)
Subjects: Geology Coal
Publisher: Harrisburg, Pub. by the Board of Commissioners for the Second Geological Survey
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN
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KOCKmoCCCOALBASm IHHAYSH/LL/ SIPEIIMC MILL tkoucff.cffEifrvALttr /c/foufja ffOc VALUY ^four ■■
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15. TODD. T°. 287 Carbonate of lime, 90.992 Carbonate of magnesia 1 059 Oxide of iron and alumina, .940 Phosphorus .013 Manganese, robust trace. Siliceous matter, six 094 Total, 99.094 Just below Paradise furnace Trough creek starts itsgorge-like passage by way of the Pocono sandstone beds ofTerrace mountain following the axis of the trough north-Avard, and regularly descending in rapids. The gray sand-stone cliffs amongst which it flows have in some locations aperpendicular height of two or 3 hundred feet. TJie copperas rocks* are about a mile beneath Paradise fur-nace. Right here two thin seams of coal are visible in the sand-stone beds and a single occurs in the blue shale under a bedof sandstone. They differ in thickness from two to sixinches and should lie about 200 beneath the red shale thePocono sandstone cliff rising that high above them. A modest bed of coal (8 to 10 thick) was discovered in exca-vating for the foundation of the grist mill Just below Para-dise furnace, near the top of the
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Image from web page 407 of “Appleton’s dictionary of machines, mechanics, engine-perform, and engineering” (1869)
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Title: Appleton’s dictionary of machines, mechanics, engine-operate, and engineering
Year: 1869 (1860s)
Subjects: Mechanical engineering
Publisher: New York, Appleton
Contributing Library: Gerstein – University of Toronto
Digitizing Sponsor: MSN
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ng shaftin the centre, and are moved by it. The circular trough is supplied with coarsely broken ore and a con-stant existing of water, which latter washes off all the light impurities, and leaves the gold in the trough.At the close of every single days perform the trough is supplied with some quicksilver, which is worked in it for$ or -J- hours time, in which time it absorbs the gold, and is then removed as amalgam. The waterfrom these mills is generally conducted into other machines, in which some of the fine gold which passesfrom the first machine is gathered. In most situations a shallow round basin, of about four feet diameter, isappended, in which a rake moves about with a vertical axis, gently stirring the sediment which maysettle from the passing water. It retains only the heavy particles. In other instances, Sullivanbowls (a modest machine which derived its name from the inventor, residing in North Carolina) areappended these gather the heavy parts which might escape the prior machines. 2816.
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2817. – A fli S= 1 ^-^~ 1~_ il » S^^^KSfc-***-* A Sullivan bowl is represented in Fig. 2817. A vertical wooden shaft of about 18 inches long and2 inches square carries on the reduce portion a shallow vessel or bow] B, about two inches deep and 18 inchesin diameter. This bowl is formed of a wooden bottom and sheet-iron periphery. This bowl receivesthe water from the other machines at or close to its circumference, and discharges at the centre. By thelever A, the machine is set in a rocking motion, triggered by a crank connected with the identical. Thismachine gathers a excellent deal of fine gold, but it is an expensive machine, simply because they operate but littlewater, and it demands several machines to do the workbf a little establishment. The gold from the numerous machines, mixed with some sand and other impurities, is carried to theChilian mill for amalgamation, in case there is no other machine for doing that work. This is an im-perfect machine for amalgamation, and i losses in quicksilver and gold. In most cas
Note About Photos
Please note that these images are extracted from scanned page photos that might have been digitally enhanced for readability – coloration and look of these illustrations could not completely resemble the original operate.