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APPENDIX

Figure 3. Position of the Sun at Cardiff

1 = 12:30hr (160°)

2 = 13:30hr (200°)  

3 = 14:30hr (220°)

4 = 15:30hr (240°)

During readings 1, 2, & 3, the thermometer was in sun. Before 11:30hr and by 15:30hr it was in shade. The value in parentheses indicates the alignment of direct sun as measured in degrees with an orienteering compass.

Figure 4. Position of the Sun at Offwell

1 = 10:00hr

2 = 11:00hr

3 = 11:30hr

4 = 12:30hr

5 = 13:30hr

Figure 5. Painting the Thermometer Housing

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