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If a clock is on display in a location that does not have conventional display cases for example, large clocks could be vandalize. In the case of wood clocks, slashing the wood, smashing the glass, or graffiti would be the most common problems for a public institution.
The clock dial has been dated to either the building phases of 1405 or 1467-83, [27] or to the installation of the Brunner clockwork in 1527-30. [28] Ueli Bellwald notes that the planisphere uses a southern projection, as was characteristic for 15th-century astronomical clocks; all later such clocks use a northern projection.
The dial was a concentric-ring astronomical clock similar to the clock of the Torre dell'Orologio, Padua of 1434, rather than the astrolabe type with offset zodiac dial, as found at Prague. The 24 hours of the day were marked, in Roman numerals, around the edge, with I at the right-hand side, and marked Italian hours.
The dial rotated anticlockwise against a fixed pointer, showing mean time, and could be adjusted if necessary by intervals of 10 minutes of time by sliding out a pinion of 12 teeth that meshed with the 144 teeth of the main dial. On each side of the clock dial was a fixed plate or 'tabula orientii', graduated with months and days of the Julian ...
I honestly cannot think of anything you have missed regarding the care, conservation, and restoration of clocks. You have taken in account the typical media used in the creation of clocks and systematically address the risks for the media individually, as well as the risks inherent in the clock as an object with a specific and repetitive function.
Salisbury Cathedral clock, restored. The Salisbury Cathedral clock is a large iron-framed tower clock without a dial, in Salisbury Cathedral, England.Thought to date from about 1386, it is a well-preserved example of the earliest type of mechanical clock, called verge and foliot clocks, and is said to be the oldest working clock in the world, [1] although similar claims are made for other clocks.
Classic cars are passion projects, symbols of a bygone era and investments that can pay off handsomely -- but they often come with hidden costs. Whether you're restoring a vintage car as a project ...
A French Empire-style mantel clock is a type of elaborately decorated mantel clock that was made in France during the Napoleonic Empire (1804–1814/15). Timekeepers manufacturing during the Bourbon Restoration (1814/1815–1830) are also included within this art movement as they share similar subjects, decorative elements, shapes, and style.