"RichardS" <noaccess@invalid> wrote in message news:<[email protected]>...
> Right, you've got your mortise chisel of the correct width (~1/3 width of
> the board) and armed with marking gauge, saddle square, etc.
>
> How do you ensure that the marking gauge is set just right so that running
> down both sides marks out exactly the width of the chisel?
>
One way is to use a motising guage, set to the width of the chisel.
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FF