No.8 Re-Wired.
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Category · 24 inventions

Agriculture & Farming

From the electric fence to the rotary milking shed — the ingenuity that built a farming nation.

NZ Bred Sheep

NZ Bred Sheep

Geoffrey Peren, Francis Dry and James Little

New Zealanders didn't invent sheep, although we would have if it weren't for the small stumbling block of them having already been invented. However…

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Domesticated Deer

Domesticated Deer

Ken Drew & Les Porter

In 1973 Dr Ken Drew and MAF vet Les Porter borrowed a few deer and set up an experimental farm. The two set out to put a structure around deer…

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Allflex ear tags

Allflex ear tags

Brian Murphy, John Burford

Put simply, the Allflex tag system is a farm-management tool. It is not an invention that can be described as a first, but it deserves its place in…

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IconicElectric Fence

Electric Fence

Bill Gallagher

In the 1930s Alfred William (Bill) Gallagher (b. 1911, d. 1990) developed a plan to keep his horse Joe from scratching itself on the family car (an…

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Eze-Pull Fencing tool

Eze-Pull Fencing tool

Chris Johnson

Chris Johnstone was a farmer and a bagpipe player and also had a kind of head start - he was the Great-Nephew of Ernest Rutherford. He put his…

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Staplelock

Staplelock

Staplelok fenceposts are a high-tensile, galvanised steel section, with a scalloped groove down one side of the post. The staples that hold the wires…

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Vacreator

Vacreator

H. Lamont Murray & Frank S. Board

In 1923 Lamont and Board were about to open their own butter factory in Te Aroha, and were unhappy about the method that was being used to pasteurise…

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Milking machines

Milking machines

John Blake

One early example of New Zealand's farmer/engineer breed was John Blake, of Otakeho Taranaki. He bought one of the earliest milking machines, but…

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Spreadable butter

Spreadable butter

Dr David Illingworth

Dr Robert Norris and David Illingworth and the team at the NZDRI started working on the 'spreadable butter' project in the 1970s. Part of their…

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Woolspill thing

Woolspill thing

WRONZ

In March, 1989, when the Exxon Valdez broke up in the waters of Alaska, spilling oil over thousands of square kilometres, researchers started to look…

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Wide-toothed shearing comb

Wide-toothed shearing comb

New Zealand and Australia both have a strong tradition of sheep-shearing that is part of the defining mythology of our two countries. Shearing heroes…

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Designer Endophytes

Designer Endophytes

AgResearch

Field testing proved very successful and in the year 2000 AgResearch released the world's first novel endophyte, AR1.

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Topdressing

Topdressing

John Chaytor & Alan Pritchard

In 1906, one John Clervaux Chaytor (b. 1836, d. 1920) became the first person in the world to apply agricultural materials aerially - he went up in…

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Farm bike

Farm bike

Johnny Callender

Cyril John (Johnny) Callender (b. 1928, d. 1978) was a New Plymouth mechanic who spotted a gap in the market.

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Tretech

Tretech

Tim Cox

New Zealand has a lot of trees. It's probably even possible to count how many without too much difficultly, given enough time and eyeballs. But…

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Milk production meter

Milk production meter

John Hartstone

No doubt about it, John Hartstone (b. 1923) is the quintessential 'bloke in a shed' inventor.

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Rotary Milking Shed and Herringbone Shed

Rotary Milking Shed and Herringbone Shed

Ron Sharp / Merv Hicks

Postwar prosperity in the New Zealand dairy industry meant a lot of farmers here had cash to invest in new machinery. In an era when the motorcar was…

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Gudgeon

Gudgeon

Patrick Roskam

Patrick's father had just bought a farm and was frustrated at having to hang 20 gates from their 'gudgeons' - the metal pin that farm gates hang…

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Zinc treatment for facial eczma in cows

Zinc treatment for facial eczma in cows

Gladys Reid

Gladys Reid (b. 1914, d. 2006) was known to the science establishment as a crackpot. ‘Mad Glad’ they called her, and ridiculed her publicly, causing…

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Chicken switch

Chicken switch

Robert Ellis

There is no doubt about it - farmer Robert Ellis (b ?, d. ?) of Brightwater (near Nelson) is one of New Zealand's unsung geniuses. In 1910 he…

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Microclimate Agriculture

Microclimate Agriculture

Early Māori

The first settlers to New Zealand had a problem. After travelling thousands of kilometres across the sea carrying them, their beloved Kumara (sweet…

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Plastic milk bottle

Plastic milk bottle

Fonterra

Critics have said that lightproof milk containers create a solution for a problem that didn’t exist. Dairy giant Fonterra claims that the new…

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Wire Strainers

Wire Strainers

John Reid / Ernest Hayes

John Stuart Reid (b. 1857, d. 1894) came up with an ingenious invention to fix up the broken fences, but also to solve another issue. No.8 Wire, so…

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Zammr Handle

Zammr Handle

Grant Pearce

Erecting a temporary electric fence is fiddly. Sometimes you need a live connection, sometimes an insulated one, and the connecting handles would…

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24 of 202 stories

The whole No.8 wire story is in the book.

Every invention here — and 178 more — told in full, with the people and the laughs, in No.8 Re-Wired by David Downs & Jon Bridges.