| 1. Hand-Held Scales, by Mary de Grave, London, 18th Century | 2. Electro-Magnetic Clock, by C. Detouche, Paris, c. 1855 | 3. Portable Clock, by J Klaftenberger, London, c. 1830-40 | 4. Alarm Clock, by James McCabe, London, c. 1800 | 5. Bracket Clock, by Tregent, London, c. 1770 | 6. Bracket Clock, by Daniel Quare, London, c. 1700 | 7. Travelling Clock-Watch, by Haas Le Fils, Berne, Switzerland,... | 8. Travelling Clock-Watch, by Markwick Markham Borrell, London,... | 9. Table Clock, by Jacob Wideman, Augsburg, c. 1650 | 10. Wall Clock with Alarm, by Davies, English, c. 1720 | 11. Wall Clock, by Justin Vulliamy, London, c. 1740 | 12. Wall Clock, by Taylor, English, c. 1770 | 13. 'Tower' Table Clock, by 'HP' or 'HR', German, 17th Century | 14. Wall Clock, by Nicholas Snowe, English, 1638 | 15. Table Clock, French, c. 1600 | 16. Table Clock, French, 16th Century | 17. Altitude Dial, by Henri Michel, Brussels?, 1941 | 18. Pedometer, Dutch?, 18th Century | 19. Ellipsograph, by Gourdin, Paris, c. 1790 | 20. Crescent Dial, by Johann Martin, Augsburg, 17th Century | 21. Surveyor's Folding Rule, Italian, c. 1650 | 22. Military Graphometer and Protractor, French?, 17th Century? | 23. Triangulation Instrument, by Jost Bürgi, German, Late 16th... | 24. Gunner's Level, by Butterfield, Paris, c. 1700 | 25. Gunner's Perpendicular, by Adams, London, c. 1790 |