The book "Sundials" by Frank W. Cousins ISBN - 87663-704-7 has a chapter
devoted to the "Practical Considerations and the Setting of the
Horizontal Dial". The copy I have of this book was published in 1970 by
Pica Press and distributed by Universe Books.
Bruce Esser
Physics Teacher Something witty
Marian High School Should go here
Omaha NE http://marian.creighton.edu