Sketch of the large equatorial belonging to E. J. Cooper Esq. at Markree, Co. Sligo
Printed sketch by Joseph Gwilt (1784-1863) of the equatorial telescope belonging to E. J. Cooper Esq (1798-1863) at Markree, County Sligo, Ireland.
Original is 28x38 cm.
telescopes, observatories, equatorials