Cylinder dial
Image information
Sizing information
| Overall size (inc frame) | x cm ( x in) |
| Depth | cm (in) |
| Artwork | x cm ( x in) |
| Border (mount) |
cm
top/bottom
(in)
cm left/right (in) |
| The paper size of our wall art shipped from the US is sized to the nearest inch. | |
Cylinder dial
Cylinder dial for 44 north (also known as a pillar dial or shepherd dial). It comprises a wooden cylinder covered by varnished paper. A central cylindrical hole holds the cylindrical capital that carries the gnomon, which folds away. Vertical declination lines, numbered according to date, run along the bottom of the dial. The hour-lines are drawn across the declination parallels from right to left with bold lines for the hours and dotted lines for the half-hours.
Around the bottom of the cylinder are instructions on how to use the dial, written in French, and translated as follows: 'Remove the stopper, open the gnomon, replace the stopper turning it so that the open gnomon is placed above the line corresponding to the date, place or suspend in the Sun, the shadow of the gnomon following the line of the date, and its point will indicate the hour by the curved line on which it falls'. The design for this instrument may have been available in paper form for construction of the dial by the buyer. It is signed 'ÔòáÔûê PARIS. HENRY ROBERT HORLOGER, AU PALAIS-ROYAL. N . 164.' These instruments originally came in cases with calendar, instructions and trade label.
Henry Robert
- Image reference: F2058
- National Maritime Museum, Greenwich, London, Debreuil Collection
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Every framed picture is created by hand in our workshop by specialist framers.
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All our frames have a smooth satin finish, and measure 20mm (front face) by 23mm (depth from wall).
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