Here is an astrolabe of our horizon, and a little treatise to teach a certain number of conclusions appertaining to the same instrument. "Trust well that all the conclusions that can be found ...

A Treatise on the Theory of Screws. By Sir Robert Stawell Ball Pp. xix + 544. (Cambridge University Press, 1900.) ...

A Treatise on the Analytical Dynamics of Particles and Rigid Bodies: with an introduction to the Problem of Three Bodies. By Prof. E. T. Whittaker. Second edition. Pp. xii + 432. (Cambridge ...

Astrolabe navigation nights offer an unprecedented adventure travel experience, combining the art of ancient navigation with the thrill of modern sailing. Participants are taught to navigate the ...

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Islamic astronomers improved the astrolabe which was a device that allowed travellers to find their way, a bit like a compass. People used the astrolabe to identify the position of the sun and ...

Chaucer himself was knowledgeable about cosmology, and he wrote at least one technical work on the subject, A Treatise on the Astrolabe. From references throughout his works, it is obvious that he was ...

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After the space agency canceled its VIPER rover, an empty space was available on a private spacecraft that will still head to ...

The image of the writer’s grandmother in an Atlanta church invited him on a journey into family history.