|The Public Paperfolding History Project
|Lessons in Industrial Drawing by Mary Isabel Gilmore, 1892|
in Industrial Drawing' by Mary Isabel Gilmore was
published by the Educational Publishing Company in Boston
in 1892. It contains a section on folding geometrical
The work is copyright 1890 and it is possible that there is an earlier edition that I have not been able to locate.
A full copy of the 1892 edition can be accessed here.