Product images of Cylinder dial
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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.
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 'Ã”Ã²Ã¡Ã”Ã»Ãª PARIS. HENRY ROBERT HORLOGER, AU PALAIS-ROYAL. N . 164.' These instruments originally came in cases with calendar, instructions and trade label.
- Image reference: F2058
- National Maritime Museum, Greenwich, London, Debreuil Collection