Retired carpenter historic building consultant, conservator, MA Cons York UK, At present studying Anglo-Saxon and Viking woodworking, preparing Article/book on reconstruction of Anglo-Saxon buildings based on archaeological evidence and not by guess-work.
Have published an article in Vernacular Architecture Journal Vol.51 p30-49, 2020, Title: The Knowledge of Carpenters from Early Medieval Period to the Eighteenth Century in Setting out Roofs and Buildings Without Geometry and Numerical Measurement.