Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for June 4th, 1861 AD or search for June 4th, 1861 AD in all documents.

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amator. Corson, May 5, 1868. The ores are contained in an insulated pan or barrel, and subjected to electric action therein. The battery is formed in the pan, and is independent of exterior influences, the anode and cathode being exposed in the slime and amalgam, and connected by a metallic strip. For other adaptations of Electro-Metallurgy to the collection of the precious metals, see gold and silver, electro-metallurgic processes for collection of. In Ryerson's apparatus, June 4, 1861, the substance containing the gold and silver is introduced into the cylindrical vessel, provided with a hemispherical or dished bottom, in a finely divided state, together with mercury and water. Superheated steam is introduced by the coiled pipe into the bottom of the vessel, escaping into the mass by a series of small holes. The vapor of the mercury is condensed against the bottom of the cover of the vessel, and falls in a finely divided state through the mass. The extraction of t
y 6, 1858. 21,224UhlingerAug. 17, 1858. 21,670GroverOct. 5, 1858. 21,752GroverOct. 12, 1858. 22,143HarknessNov. 23, 1858. (Reissue.)646LyonJan. 4, 1859. 24,737HenselJuly 12, 1859. 25,087BoothAug. 10, 1859. 25,730Grover et al.Oct. 11, 1859. 25,876BarnesOct. 25, 1859. 25,913RobertsonOct. 25, 1859. 25,963Fosket et al.Nov. 1, 1859. 28,959BoothJuly 3, 1860. 30,031WashburnSept. 11, 1860. 31,829RossMar. 26, 1861. 31,897MallaryApr. 2, 1861. 32,007ShawApr. 9, 1861. 32,496FullerJune 4, 1861. 33,414BollmanOct. 1, 1861. 33,778GroverNov. 26, 1861. 36,405GroverSept. 9, 1862. 37,202ShawDec. 16, 1862. 37,502GroverJan. 27, 1863. 39,207BaldwinJuly. 14, 1863. 39,892DaySept. 15, 1863. 43,146WickershamJune 14, 1864. 50,469HartOct. 17, 1865. 56,641TuckerJuly 24, 1866. 93,415CobbAug. 10, 1869. 100,139GroverFeb. 22, 1870. 114,573LittleMay 9, 1871. 152,813SpeirsJuly 7, 1874. 2. (c.) Rotary Under-Thread Carrier. 30,478JohnsonOct. 23, 1860. 2. (d.) Two Needles, each penetr