Elliptical, Or Azimuthal Horologiography (1654) Samuel Foster:Paperback 30 Daily Reflections

30 Daily Reflections

and allegory

The blueprint is here for correcting the causes of blood pressure problems

or someone without any experience in self-defense

thirteen jungle animals

Elliptical, Or Azimuthal Horologiography (1654) Samuel Foster:Paperback 30 Daily ReflectionsThis brilliant work, far ahead of its time, details Fosters development of analemmatic, circular, and diametral sundials and their generalizations. (The title appeared earlier in compressed format as part of The Analemmatic Sundial Sourcebook it is available here as a separate volume.) Its four sections are: Elliptical, Or Azimuthal Horologiography; Circular Horologiography; Rectilineal Or Diametral Horologiography; Elliptical Horologiography. It was