Astronomical Lectures on his entirely New Eidouranion
Handbill, Mr. D. F. Walker, Spread Eagle, Wandsworth, [London], Astronomical Lectures on his entirely New Eidouranion or his transparent Orrery, 11, 13 Sept 1820.
Handbill, Mr. D. F. Walker, Spread Eagle, Wandsworth, [London], Astronomical Lectures on his entirely New Eidouranion or his transparent Orrery, 11, 13 Sept 1820.