How would you find your way across the vast open ocean? Could you do it with just some wooden beams stuck together, and a bit of clever maths? We speak to Dr Joe Kinrade about this simple but essential navigation device, find out how it works, and how we have evolved from this to modern GPS being involved in everything from finding our way to making payments to drilling for resources on the ocean floor.
43. Chi Rho Lamp
42. Ophthalmic Case
41. Phoenix Foundry Workers Photograph
39. Lancaster Plate
38. Greenwood’s Device
37. John Dalton Portrait
36. Neolithic Axe
35. Telescope Postcard
34. Hag Stone
33. Seaman’s Sixpence Logbook
32. Funeral Biscuits Leaflet
31. Buck Ruxton’s Diary
30. Edwardian Postcard
29. 18th Century Fork
28. Roman Inscription Stone
27. Execution Document
26. T.D.Smith Shop Sign
25. Kludonometric Tide Table
24. Diphtheria Card
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