The astronomical rotula, shewing the change and age of the moon, the motions of the sun moon and nodes, with all the solar and lunar eclipses /
Ferguson, James,1710-1776.
Mynde, J.,active 1740-1770,engraver.
London : John Ferguson,
[circa 1752]
"J. Mynde sculp."
5 volvelles, 4 of which are concentric & can be moved independently.
Shewing the place of the sun, moon, and moon's nodes in the ecliptick, with their distances from one another every day of the year, etc.
Astronomical instruments