the title page with a handwritten title 'Portrait, Drawings etc by Whitehurst, Derby'; the second page mounted with an engraving by A Smith depicting John Whitehurst I, published by W. Bent, October 10 1788; the third page with a watercolour wash depicting a bell cupola of late 18th century design and a plan signed and dated by John Whitehurst III dated Derby 22nd Feb 1849 entitled 'Plan of a separate piece of Clock Work by Whitehurst of Derby to be appended to the Great Clock for the New Houses of Parliament to break contact with a powerful magnet once every minute to regulate the other clocks in the New Palace on the principle recommended by Mr Wheatstone'; the fourth page showing the front view of Whitehursts proposed clock for Westminster, signed and dated 'John Whitehurst Derby, September 24th 1846' and entitled 'Plan of the Great Clock for the New Houses of Parliament to strike the Hours upon a Bell Fourteen tons weight and the Three Quarters upon Five Bells in Proportion'; the final page is not signed but shows 'The Dial-work of a Clock, for shewing (sic) the Phases of the Moon, the Motion of the Earth, the Vicissitudes of Seasons, the Places of the Earth which are enlightened by the Sun at any times of Inspection, with the lengths of Days and Nights at all times of the year, and at all Places of the Earth' with a detailed explanation of the moving parts
the title page with a handwritten title 'Portrait, Drawings etc by Whitehurst, Derby'; the second page mounted with an engraving by A Smith depicting John Whitehurst I, published by W. Bent, October 10 1788; the third page with a watercolour wash depicting a bell cupola of late 18th century design and a plan signed and dated by John Whitehurst III dated Derby 22nd Feb 1849 entitled 'Plan of a separate piece of Clock Work by Whitehurst of Derby to be appended to the Great Clock for the New Houses of Parliament to break contact with a powerful magnet once every minute to regulate the other clocks in the New Palace on the principle recommended by Mr Wheatstone'; the fourth page showing the front view of Whitehursts proposed clock for Westminster, signed and dated 'John Whitehurst Derby, September 24th 1846' and entitled 'Plan of the Great Clock for the New Houses of Parliament to strike the Hours upon a Bell Fourteen tons weight and the Three Quarters upon Five Bells in Proportion'; the final page is not signed but shows 'The Dial-work of a Clock, for shewing (sic) the Phases of the Moon, the Motion of the Earth, the Vicissitudes of Seasons, the Places of the Earth which are enlightened by the Sun at any times of Inspection, with the lengths of Days and Nights at all times of the year, and at all Places of the Earth' with a detailed explanation of the moving parts
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