A figure of Mr. Bonds Inclinatory Needle mb-height 2754 Shown with the skeleton of

Shown with the skeleton of a member of the Moriori people of the Chatham Islands in the Pacific Ocean

' Inscribed in pencil lower left: 'From Sir E

Spitalfields

Middlesex'

a huge cannon

A figure of Mr. Bonds Inclinatory Needle mb-height 2754 Shown with the skeleton ofHenry Bond's inclinatory needle, a form of compass. Frontispiece to The longitude found: or, a treatise shewing an easy and speedy way To find the longitude.., by Henry Bond (London, 1676). Henry Bond claimed his inclinatory needle provided a method of finding position at sea by observing the magnetic variation. His article on the subject was published in Philosophical Transactions of the Royal Society, Vol 8. Original: engraving. 1676