New Book Announcement

A must for all libraries and museums that include the history of science, astronomy and mathematics in their collection.

Hartmann's Practika

A Manual for Making Sundials and Astrolabes with the Compass and Rule

Georg Hartmann (1489-1564) was one of the most renowned instrument makers in sixteenth century Nuremberg. Today his 300 page manuscript resides in the sterreichische

Nationalbibliothek along with two other manuscripts with related figures and prints in two other libraries. Now finally, after almost 500 years, his work is complete. It is, at last, a book!

about the book / table of contents / contact / testimonials / the author / how to order / home



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Hartmann's Practika Astrolabes Sundials English Translation John Lamprey