Special Purpose Plane?

by Don Knibbs
(Bramshott, Hampshire, England)

Any ideas, please?

Any ideas, please?

Can anyone help identify what this plane would or could have been used for, please? I came across it in a toolbox that belonged to my cousin who trained as a cabinet maker in the early 1940's. My first thought was that it would be for smoothing spokes or spindles, but the angle of the blade seems to be totally wrong for that. Also, the wear seems to be on the bottom edge of the plane, indicating it was used in the upright position.
There's no manufacturer's name other than THOs IBBOTSON on the blade, and some parts of it indicate that it may have been home made for some special purpose he had in mind.

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Nov 13, 2015
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chisel plane
by: Anonymous

I believe it is a chisel plane. used for trimming the tops of dowels(end grain)from joints.

Dec 12, 2014
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Tool Identification
by: Rex

This is an early wood hand router plane that could be used for:
Dadoes: Grooves across the wood grain for
holding shelves in a book case.

Hinge Recess: For installing hinges on cabinet
cases. Finished dado to uniform
depth.
With narrower iron, it could be used to make
grooves for inlaying narrow strips of
contrasting.

Jul 16, 2014
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Threadmaker.
by: Kit the chippy

I think this is for cutting wooden threads!

Dec 23, 2013
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homemade plane
by: Anonymous

This is a plough plane [homemade I think] used to route out groves or dados in boards.

Dec 09, 2013
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It's a router plane
by: John H.

It's a router plane used route grooves, make stopped dadoes and to smooth inset surfaces.

Jul 18, 2013
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Granny's Tooth
by: Don Knibbs

My own research has identified that this type of plane is called either a Granny's or Old Woman's Tooth which were old fashioned wooden Router Planes. They were used to clean up the bottoms of housing or dado joints.

May 04, 2013
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hmmm
by: Anonymous

it appears to be a craftsman made "old woman's tooth" or a poor mans version of a stanley 70, 70 1/2

It looks really new though!

Eric


May 02, 2012
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mmmmmm could be
by: Anonymous

looks like a router plane

Feb 01, 2012
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Router plane
by: Michael

That looks to be a router plane. More specifically, it's a style sometimes called an "old-woman's-tooth" router, because the iron protrudes down from the sole of the plane like a single tooth. A plane like this would have been used to create a surface at a specific distance below the surrounding surface, on which the plane's sole would rest. The depth would be determined by how far the blade protrudes below the sole. The hole in the front is just to provide a place for the shavings to go.

It seems quite plausible that this tool was made by the user, rather than manufactured. Wooden-bodied tools like this could be fairly easily made by a cabinetmaker, and could provide a good way to reuse an old blade.

Jan 18, 2012
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Answer:
by: Don Knibbs

I think I found the answer myself. It's called an "Old Womans Tooth" or "Grannie's Tooth" plane and is a forerunner to the router.

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