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Plane of the Week with Ryan Sparreboom


 
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The iron bridle itself is shaped to fit on the top side of the arms and is kept square by two brass pins coming up from the fence on the inside of the arms. It has a threaded bolt which fits through its center and proceeds through the fence where it threads into the iron plate affixed to the bottom. The brass thumb screw at the top is turned to tighten or loosen the bridle on both arms simultaneously. In this way, the fence cannot be wracked, and always stays parallel to the planes skate.

This plow plane is a model without the handle. More expensive models included integrated handles and fancier arms made in ebony or even solid brass. A common feature of the earlier models was to have a knob style handle threaded into the rear right side of the plane body. McGlashan chose a solid ebony knob for this plane. It fits extremely well and makes the plane comfortable and easy to control.

Like many plow planes, this model features a depth adjustment. In Part 1 of this mini-series, I showed a sash fillister plane by John Manners which featured a simple depth stop made of a beech wedge fitted into the body of the plane and adjusted by tapping.

The McGlashan plow plane has a more advanced adjuster. The brass screw is attached to an iron and brass fence, which adjusts up and down to set the depth of cut. The fence is morticed into the underside of the plane body and can be adjusted to be flush, allowing for full depth of cut, or right to the bottom of the skate, giving a very shallow cut.

In the photo below we can see McGlashan’s maker mark. The plane is also stamped  seven times by the owner, a Mr. G. Adams, who was certainly proud to be one of the owners of this plane.

Here is the McGlashan bridle plow plane at work.

John McGlashan passed away in 1849 from typhoid fever, and David Malloch took over his business.


 

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