Box 0230
Contains 43 Results:
Dutoitspan Mine.
Winding engine during erection, 1904. Engine designed by T. J. Seymour, Built by Yates & Thom, England I.H.P. 1.800. CYLINDERS 35” x 54” x 60” TYPE Vertical crossCompound. Dia.Drum, 12’, Winding capacity of drum 3.000’ Hoists two skips of 8 tons capacity each Present hoist is 850’. This is the largeststeam engine on the African continent.
Hoisting Records
made with this engine. For 8 hours. 5.240. loads “ 12 “ 7.470. “ “ 24 “ 11.565. “ “ 48 “ 27.305. “ “ 72 “ 42.360. “ “ 144 “ 61.883. “
Dutoitspan Mine. Main Underground Haulage
750’ level. Baldwin-Westinghouse 5 ton locomotives. Load 24 tons. 220 volts.
Dutoitspan Mine. Man-Cage Engine.
No 1 Rock shaft, Makers,James Cochrane & Co. I.H.P. 600. Cylinders 16” & 16” x 42” Type. Horizontal Duplex. Two balanced double-decked cages holding 24 men each.
Dutoitspan Mine. Mine Compound
for native labourers.Capacity 6.000.
Dutoitspan Mine. View of open pit in 1903. , 1903
Dutoitspan Mine. View of open pit in 1903. After work was abandoned in the Open Mine, due to falls of Reef, a number of years elapsed before the mine was taken over by De Beers and systematic under-ground work commenced. In the meantime the open pit gradually filled with water. This water reached a depth of 150’. Before underground work could be commenced, this water had to be pumped out.
Dutoitspan Mine
View of Open Pit practically pumped dry
Kimberley Mine.
View of 2.160’ level showing Automatic Tip. The 20 cu.ft. trucks containing the Blue Ground, run past the shaft by gravity, where they are automatically tipped into the Shaft Bins by the bent rail shown in the view. When they are past the Bins they are automatically righted by another bent rail.
Kimberley Mine
(Photograph has printed in white “Kimberley Compound.”). Interior of Compound for natives, showing wire netting overhead, intended to prevent natives from throwing diamonds over compound enclosure to accomplices outside. Capacity of compound, about 2.600.
Dutoitspan Mine
View showing endless Mechanical Rope Haulage conveying weathered Blue Ground from Dutoitspan floors to washing machine.