The Royal Observatory tour with British Sign Language

1. Introduction

1.1 The Founding of the Royal Observatory

2. Flamsteed House

2.1 The Maskelyne Dining Room

2.2 The Maskelyne Bedroom

2.3 The Airy Nursery

2.4 The Airy Parlour

3. The Octagon Room

3.1 Tompion clocks

3.2 Quadrant

4. Time and Longitude Gallery

5. Connection between time and longitude

5.1 The problem with pendulum clocks

6. Longitude Rewards

7. The Astronomical Method

8. Harrison’s first three timekeepers

8.1 Harrison’s timekeeper H1

8.2 Harrison’s timekeeper H2

8.3 Harrison’s third timekeeper, H3

9. The Astronomical Method – Lunar Distance

10. Harrison’s timekeeper H4

10.1 Testing H4

11. Time and Greenwich Gallery

11.1 Maria Belville

11.2 Standard Time Company Clock

11.3 Shepherd Clock

11.4 BBC Six pips clock

11.5 Speaking Clock

12. The Meridian Courtyard

12.1 Your SatNav

12.2 The Time-ball

13. The Meridian Observatory and Telescopes

14. Halley’s Quadrant

15. Bradley’s Zenith Sector

15.1 Bradley’s Meridian

16. Instruments in the room

17. The Airy Transit Circle and Prime Meridian