A figure of Mr. Bonds Inclinatory Needle mb-code 1619880 The Duke of Edingurgh

The Duke of Edingurgh

carriages and carts in the street

at which other figures also sit eating and drinking

Interior view of the Thames Tunnel

A figure of Mr. Bonds Inclinatory Needle mb-code 1619880 The Duke of EdingurghHenry 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