18 Century Equinoctial Pocket Sundial and Compass Ludwig Theodor

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Portable and scientific sun dials - price guide and values

Augsburg pocket sundial, Theodor Müller

An Augsburg Brass Universal Equinoctial Compass Sundial By Ludwig Theodatus Muller

An early 18th century German equinoctial pocket sundial and compass by Ludwig Theodor, circa 1725, 6cm wide

Mechanical equinoctial sundial

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Portable and scientific sun dials - price guide and values

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