A factor in lUtui mining which will be closely watched (luring 1906 is the. use of tube mills: profits should bo considerably advanced by this means. At present There are 61 either at work, under erection, in. transit, or o?j order. The addition of these auxiliaries to existing stamp batteries will not cause an actual decrease .in treatment. costs, but will help to effect a, substantial increase in the extraction of gold from the ore. The experiments so far effected on the Rand show that extra, expenses of running lube mills are oil'sel. by a reduction in the casts of stamp batteries.
Probably the most costly tree in ,■ tinworld is the piano tree, which grows in Wood-street, in,the city of Loudon. It occupies _ .-pace which would bring in a rental of £250 per annum, and this capitalised at thirty years' purchase gives a i-value of £7500, " . "
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New Zealand Herald, Volume XLIII, Issue 13171, 8 May 1906, Page 5
Word Count
146Page 5 Advertisements Column 4 New Zealand Herald, Volume XLIII, Issue 13171, 8 May 1906, Page 5
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