The geomat project was presented to an
international audience in 2012 at the Ninth
International Conference for the History of
Science in Science Education in Flensburg,
July 30 to August 3, 2012.
A pdf version of this presentation is
Ivan Tafteberg Jakobsen & Jesper
Historical Instruments of Navigation - used
as Educational Tools in Mathematics.
The presentation can be found as pages 127
to 142 in
Peter Heering, Stephen Klassen, Don Metz
(eds.): Enabling Scientific
Understanding through Historical Instruments
and Experiments in Formal and Non-Formal
Flensburg Studies on the History and
Philosophy of Science in Science Education (volume
2), Flensburg University Press 2013.
The book can be bought for instance via