| 1. | Initially the black copper was converted to blister copper in the ISASMELT furnace.
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| 2. | In 1903 it was upgraded to produce blister copper.
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| 3. | The blister copper goes to six anode furnaces which feed three anode casting wheels.
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| 4. | This raised the production of blister copper to 155, 000 t / y.
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| 5. | The slag is then tapped and the remaining copper matte is then converted to blister copper.
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| 6. | Ore mined at the Kalkadoon was smelted at Mount Cuthbert from 1917 and sent to Britain as prime blister copper.
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| 7. | The contract also granted the Phelps Dodge Corporation to deliver a minimum of one million pounds of blister copper for over three years.
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| 8. | Nevertheless, 5447 tons of blister copper was produced in 1911, rising to 6690 tons in 1912-the company's best year.
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| 9. | Although 3200 tons of blister copper was produced in 1913, production fell to 1840 tons in 1914 and the workforce dwindled to only 40 men.
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| 10. | In most cases, the slag can be discarded, perhaps after some cleaning, and the matte is further treated in converters to produce blister copper.
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