The apparent retrograde motion of the Planets, Apparent retrograde movements of planets using the example of Mercury and Venus, no. LV, according to p. 76, 1842, Charles F. Blunt: The beauty of the heavens: a pictorial display of the astronomical phenomena of the universe. One hundred and four coloured scenes illustrating a familiar lecture on astronomy. London: Tilt and Bogue, 1842.
The apparent retrograde motion of the Planets, Apparent retrograde movements of planets using the example of Mercury and Venus, no. LV, according to p. 76, 1842, Charles F. Blunt: The beauty of the heavens: a pictorial display of the astronomical phenomena of the universe. One hundred and four coloured scenes illustrating a familiar lecture on astronomy. London: Tilt and Bogue, 1842