Invention: the thermette

A DigitalNZ Story by squiggle_top

Invented by John Ashley Hart in 1929, the thermette combines a "cooker, a kettle, a campfire" all-in-one (from the original packaging).

invention, thermette, camping

what is a thermette? 

Early advertisements called it a "quick boiling picnic kettle", significantly reducing the length of time it took to boil water. Invented in New Zealand, the thermette was a popular addition to many picnics and outdoor adventures across the country from the 1930s. 

Image: The history of the thermette

Interview about the history of the thermette. 2021.

Katie Cooper (Te Papa Curator of New Zealand Histories and Culture) talks about the history of the thermette.

The history of the thermette

Radio New Zealand

Image: Thermette

A well-used thermette

Thermette

Puke Ariki

Early promotion to buy the Thermette. 1930.

Advertised as "an ideal quick boiling picnic kettle".

THE "THERMETTE" (NZ Truth, 11 December 1930)

National Library of New Zealand

Image: Using a Thermette

Using a thermette [short video]

Using a Thermette

Manatū Taonga, the Ministry for Culture and Heritage

Image: The Marlborough Thermette Society on their gatherings

Interview with the founder of the Marlborough Thermette Society. 2021.

The club is dedicated to thermettes, which do outdoor meets up and boil their water together.

The Marlborough Thermette Society on their gatherings

Radio New Zealand

Image: Thermette

Thermette

Museum of New Zealand Te Papa Tongarewa

The portability of the thermette

The thermette in action across New Zealand - at picnics, by the beach, by the river, while camping, at the side of the road. 

Image: At Red Beach

At Red Beach

Auckland Libraries

Image: Karapiro Lookout

Karapiro Lookout

Auckland Libraries

Image: Unnamed

Unnamed

Nelson Provincial Museum

Image: Picnic near Nelson, 1967

Picnic near Nelson, 1967

Auckland Libraries

Image: Firing up the thermette, 1953

Firing up the thermette, 1953

Manatū Taonga, the Ministry for Culture and Heritage

Image: Beach Holidays - oral interview

Beach Holidays - oral interview

Palmerston North City Library

Story reviewed and updated January 2025.