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Sundial - Horizontal Cannon, circa 1850 Reg. No: ST 021742
- Horizontal sundial with cannon that is fired at noon by the sun's rays, made in the mid 19th century.
- Circular plate on base with three levelling screws, recessed in plate are two levels and compass with N E S W. Opposite the compass is a sundial with semicircular scale. A lens on adjustable arms focuses rays of sun onto the touch-hole of the cannon igniting charge at noon. In case.
- Acquisition Information:
- Donation from Mrs P. Marchant, 1942
|Dimensions:||6 cm (Height), 9 cm (Diameter)|
|Themes this item is part of:||Horology Collection, Science & Measurement Collection|
|Tertiary Classification:||origin unknown|
|Date Made:||circa 1850|