Product images of Astronomical regulator, back
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Manufactured in the UK
All products are printed in the UK, using the latest digital presses and a giclée printmaking process.
We only use premium branded inks, and colours are independently verified to last between 100 and 200 years.
Astronomical regulator, back
The main body of the case and the hood are varnished teak. The trunk and hood have hinged, glazed, lockable doors. A brass sight ring is screwed to a mask inside the hood door. The case, originally intended to be screwed to a balk of wood driven into the ground, is now screwed to an oak base and is floor standing. The front panel in the base is hinged and lockable.
The 288 mm diameter brass dial is painted off-white, it is laid out in a regulator style with concentric Arabic five-minute numerals outside a minute-track, and observatory marks at five-minute intervals. The subsidiary seconds dial above the centre has Arabic ten-second numerals inside a seconds track with observatory marks at five-second intervals. The subsidiary hour dial below the centre has Arabic zero to 23-hour numerals within a circle. The winding aperture is at the 42-minute position, 63 mm from the dial centre. There are three apertures in the dial for observing the adjustment of electrical contacts on the movement.
Edward John Dent & Co.
- Image reference: F1246
- National Maritime Museum