Story: Kauri gum and gum digging

Winnowing machine

Winnowing machine

Winnowing machines were introduced in the late 1910s. These portable, engine-driven contraptions could achieve around 80% purity in sifting out gum chips – a big improvement over winnowing by hand. These two machines were used at Ahipara between 1910 and 1919.

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Alexander Turnbull Library
Reference: 1/1-009785; F
Photograph by Arthur James Northwood

Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.

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How to cite this page:

Carl Walrond, 'Kauri gum and gum digging - The industry', Te Ara - the Encyclopedia of New Zealand, (accessed 20 January 2022)

Story by Carl Walrond, published 24 Sep 2007