Scientific Instrument Society 25th Anniversary Exhibition
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 1. Two Scales for Weighing Gold Coins |
 2. P. & J. Dollond Price List, c. 1775 |
 3. Three Theodolites |
 4. Sisson's Beam Compass by Adams |
 5. Aluminium for Scientific Instruments |
 6. Military Instrument Catalogue |
 7. Stanley Surveying Catalogue |
 8. Slide Rule on the Rim of a Snuff Box |
 9. Boxwood Compass |
 10. Hanging Miner's Compass |
 11. Reversible Slide Rule |
 12. Catalogue by Heath & Co. |
 13. Waywiser |
 14. Triangular Compass |
 15. The Sumeter |
 16. Marquois Scales |
 17. Tent Camera Obscura c. 1825 |
 18. Angle Divisor |
 19. Instrument Makers' Receipt of 1777 |
 20. A Weber Electrodynamometer, c. 1865 |
 21. Skopeo Spark Plug Tester |
 22. Model of a Jet Cart |
 23. Electrostatic Generator in a Vacuum |
 24. Kelvin Multi-Cellular Electrostatic Voltmeter |
 25. Slide Rules - the original pocket calculators |
 26. Ophthalmic Slide Rule |
 27. Triangular Slide Rule |
 28. American Slide Rule for the Oil Industry |
 29. Master for Graduating a Slide Rule |
 30. 'Gridiron' Slide Rule |
 31. Slide Rule in a Drawing Scale |
 32. Circular Slide Rule |
 33. Surveyor's Circular Slide Rule |
 34. Annular Slide Rule |
 35. Engine-Turned Silver Box Sextant |
 36. Slide Rule on a Box Sextant |
 37. Early Brass Sextant by Jesse Ramsden |
 38. Elliott Company History Illustrated by Artefacts |
 39. Collecting Surveying Instruments |
 40. Philosophical Transactions of the Royal Society |
 41. Early Gunter's Scale |
 42. Hydrostatic Balance |
 43. Wilson Screw-Barrel Microscope |
 44. 'Gun-Barrel' Theodolite |
 45. Boxwood Diptych Dial |
 46. Zeiss Level I |
 47. Two Astronomical Magic Lantern Slides |
 48. The Perméomètre Reconstructed |
 49. Electrostatic Cannon |
 50. Electrical Demonstration Apparatus |
 51. Trade Flyers |