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British photograph of 1874 transit from Rodrigues Island A glass plate (numbered 5) from the British 1874 expedition to Rodrigues Island. The identification has been scratched on the body of the sun (in reverse here) and the plate also carries a paper label... | British photograph of the 1874 transit taken in Melbourne This image has been preserved along with other British photographs of the 1874 transit. It is identified only by the faint "Melbourne" written onto the glass plate. The exact circumstances in which it... | Diagram of the 1761 transit by James Ferguson This is a detail from a large folding plate in James Ferguson's Astronomy explained upon Sir Isaac Newton?s Principles. First published in 1756, Ferguson subsequently added material on the 1761... |
James Ferguson's diagram of the 1761 transit from various stations James Ferguson was renowned for the clarity of his astronomical explanations, diagrams and models. This diagram shows the appearance of the 1761 transit as seen from several different sites: London, t... | Lecture demonstration of the 1769 transit by Benjamin Martin Benjamin Martin devised a large demonstration of the appearance of the 1769 transit. The device was 7 by 5? feet in size and mounted on a wall in his shop where he gave lectures. It showed the appeara... | Samuel Dunn's analysis of the 18th-century transits In his "A Determination of the Exact Moments of Time" (London, 1770), Samuel Dunn provided this large folding plate to compare the appearances of Venus in transit in 1761 and 1769. He also tabulated t... |
Samuel Dunn's drawing of Venus in contact with the sun in 1769 A detail from the large plate which appeared in Samuel Dunn's "A Determination of the Exact Moments of Time" (London, 1770). Dunn attempts to record exactly the appearance of Venus when in contact wit... | Spectroscopic images from the Italian transit expedition to India, 1874 The Italian astronomer Pietro Tacchini included spectroscopy as part of the observational programme of the expedition at Muddapur, India in 1874. This plate of coloured lithographic images comes from ... |
