COMALCO CONTRACT.—The first of 200 lighting poles about to be shipped from Lyttelton for the Bluff aluminium smelter project at Tiwai Point. The order is worth about $14,000. Made by Spun Concrete Industries, Ltd, Hornby, the 35ft poles are formed in circular moulds at 700 revolutions a minute. Centrifugal force packs the concrete hard against the sides of the mould and leaves a hollow core.
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Bibliographic details
Press, Volume CX, Issue 32430, 17 October 1970, Page 3
Word Count
65COMALCO CONTRACT.—The first of 200 lighting poles about to be shipped from Lyttelton for the Bluff aluminium smelter project at Tiwai Point. The order is worth about $14,000. Made by Spun Concrete Industries, Ltd, Hornby, the 35ft poles are formed in circular moulds at 700 revolutions a minute. Centrifugal force packs the concrete hard against the sides of the mould and leaves a hollow core. Press, Volume CX, Issue 32430, 17 October 1970, Page 3
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