HALLEY.

GREENWICH OBSERVATORY IN HALLEY'S TIME.

7, NEW KING STREET, BATH.
From a Photograph by John Poole, Bath.

WILLIAM HERSCHEL.

CAROLINE HERSCHEL.

STREET VIEW, HERSCHEL HOUSE, SLOUGH.
From a Photograph by Hill & Saunders, Eton.

GARDEN VIEW, HERSCHEL HOUSE, SLOUGH.
From a Photograph by Hill & Saunders, Eton.

OBSERVATORY, HERSCHEL HOUSE, SLOUGH.
From a Photograph by Hill & Saunders, Eton.

THE 40-FOOT TELESCOPE, HERSCHEL HOUSE, SLOUGH.
From a Photograph by Hill & Saunders, Eton.

LAPLACE.

THE OBSERVATORY, DUNSINK.
From a Photograph by W. Lawrence, Dublin.

ASTRONOMETER MADE BY SIR JOHN HERSCHEL.