Venus

Edinburgh Encyclopedia Black Drop Effect 1832

Image courtesy of Specula astronomica minima (©Specula astronomica minima).

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18th-19th century ToV recording tools

These are the tools (mathematical instruments) which were commonly used by Georgian astronomers to record their observations of the 1761 and 1769 transits of Venus, and by their early Victorian successors who illustrated the events afterwards. Starting from the upper left are a quill knife, a porte-crayon, a glass inkwell, a copper-alloy, leather, and glass travelling inkwell, a quill pen, an ebony and copper-alloy parallel rule, copper-alloy and steel dividers, a boxwood and copper-alloy English sector, and a boxwood plane scale.

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ToV orbital conditions

Image courtesy of Specula astronomica minima (©Specula astronomica minima).

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Venus Phases 1868

Venus' phases in 1868. Sketch by Andrew Elvins.

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Venus 1892

Venus. Sunday June 12, 1892. Power 120. O.S. 2¾. Sketch by Andrew Elvins.

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