Chesterman Knife

Joined
Nov 11, 2006
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2,697
This is another recent acquisition. A Chesterman Ruler knife with blades of Firth Stainless steel made by Ibberson. The back scale is marked with a provisional 1934 patent. Push on the notch on the bottom (see pic 1) and the ruler attachment raises just enough to expose the little nick at the very top edge (see very top right pic 2) to aid opening. James Chesterman was a famous maker of measuring devices including early tape measures.

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Got to love some of the old designs made for the working man, they really made sense.
 
Impressive and practical.

Why was it called Firth stainless, it's not Scottish....
 
Marbles makes one now called the handymans helper. Folds out a bit larger.I've also seen them in specialty tool catalogs.Not quite as nice as your find Smilin-Knife.

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That's sweet but now I'm thinking about drilling holes in rulers in just the right places. :)
 
Yes.... the violin was an Ibberson trademark. Thanks for the comments everyone and posting the modern version navihawk. The combination seems like a very good idea.
 
I don't have a knife by chesterman, but almost everyone I make is measured
with a 6" ruler that says calibrated by Rabone Chesterman, its graduated all
the way to 100's
Ken
 
hi there iv come across this chesterm knife can you tell me eny think aboult it thanks jim have you got a email i can send the photos too. as cant upload to here
 
Great thread, s-k! That's so clever, I can't believe they aren't in wider production today.
 
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