Woodsmith Magazine offers a free complimentary Guild Edition Issue: 217 at the following site.
This is a one time thing. Just click on the yellow rectangle near the bottom of the page and click on the ‘download’ button and you will get a pdf of the magazine that you can save. Nice of them."
The Mortising machine looks like a good project for a winters day, Hey the download is a freebie and that's a good thing.Thought some might like to give it a try