PROF JOHN DAVIES LOCATION Sold by J. L. Hammet. Boston. USA. HISTORY Prof Davies New Geographical and Astronomical Apparatus, 1870, was patented in United States, Russia, France, England and other countries of Europe. The instrument can be used in two forms, the Luantellus and the Heliotellus. "The Lunatellus is the Tellurium in a new form, and so improved as to illustrate the Astronomical phenomena of the Sun, Earth and Moon....." The Lunatellus The Printed Guide
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