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Originating in Leeds

The ‘Little Nipper' mousetrap - James Henry Atkinson

In the past mice and rats were common intruders in people's homes and many different ways of trapping unwanted rodents were tested. Although not as common today as they were a century ago, mousetraps are nevertheless an item of equipment that most people will recognise. 

 

James Henry Atkinson, an ironmonger from Leeds (born 1849) invented the design that we are most familiar with today. He filed applications for patents on several different inventions, but the one he is most famous for is his mousetrap (GB 13277 of 1899). 


A simple but effective design

After making a number of versions Atkinson eventually came up with the 'Little Nipper' trap. It consists of a wooden base upon which sits a simple spring mechanism. When a mouse attempts to take the bait (the bait is placed on the spike marked 'i' in the diagram above), the movement triggers the spring. Atkinson wanted to avoid the risk of the trap going off prematurely, but also needed a powerful snapping action, which he achieved with a spring; its speed has never been bettered.

 

Atkinson made the traps himself but later sold the rights to a Welsh company, Procter Brothers, for a significant sum. The company still make the traps today. Atkinson died in 1942.


A continuing design question

Means of trapping pests continue to interest designers and inventors and many patents are still filed on the subject (including means of drowning and electrocuting the mice and also trapping them humanely) but no-one else has managed to come up with a more successful trap and the Little Nipper still holds 60% of the mousetrap market.  


View other relevant My Learning resources or see the teachers' notes page for discussion and activity ideas. 


Scroll down for a list of links and resources on this topic.




 
Document icon Learning article provided by: Leeds Library and Information Service | 

Comment on this page

  • Posted by My Learning Team on 23/12/2011

    Thanks for that Bill, we've added a link to your Mousetrap Cars resource at the bottom of this page

  • Posted by Bill Kuhl on 16/12/2011

    I see people searching on my http://www.scienceguy.org website for the history of the mousetrap car. Now Thanks to this article I know the rest of the story.

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