Story: Kauri gum and gum digging
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.
About this item
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 Matauranga o Aotearoa, must be obtained before any re-use of this image.