Reply To: Windows Welcome! / Forums / General Woodworking Discussions / Projects / Windows / Reply To: Windows Barry B 20 December 2020 at 10:34 pm #690968 hi sancho the ‘handbook of doormaking, windowmaking and stair casing’ by antony talbot has some good information on the subject. my copy was printed in 1980 and i don’t know if it was ever reprinted. perhaps your library can get you a copy regards barry Settings