PLATES OF DIAGRAMS
These prints were illustrations in Isaac
Frost's Two Systems of Astronomy. London, Printed
by Catchpool & Trent, and published by Simpkin, Marshall, 1846.
Engraved under the prints, on the left is "Drawn by Isaac Frost",
and, on the right is "Engraved by W.P. Chubb & Son, 7, Charterhouse
St." In the centre there is "The Newtonian System" and,
below this is, "Printed in Oil Colours by G. Baxter, Patentee, 11,
Northampton Square". These prints are untitled.