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Unique Perpetual Calendar Clock with leap year

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Unique Perpetual Calendar Clock with leap year Unique Perpetual Calendar leap year %%alt5%% %%alt6%%
This very rare Swedish antique clock made for the King of Sweden was made by A G Johanson in 1873 and must have been one of the most complicated antique clocks of the time having four subsidiary dials for seconds, day, date and month. The clock also features a full perpetual calendar with leap year adjustment via an epicyclic gear. The Clock has a vertical straight rack with 31 teeth, the position of this rack is determined by what can only be described as a 12 sided “snail” with different length sections for each month. The rack (via a lever) rests upon the Snail at the first day of the month. Each day a pusher increments the day hand via a seven-sided star. This pusher also lifts the rack by one tooth. At the end of the month whether it is 28, 30 or 31 day duration, the rack comes against a reset lever that disengages the rack, allowing it fall back down against the next month’s snail section. Within the snail, an epicyclic sun gear rotates, it takes four years for this gear to rotate. On the fourth year, the sun gear presses against a recessed “pip” that then protrudes the February snail section. This protrusion adds another day to the month allowing for leap year adjustment. Interpreting a label on the rear of the clock and text on the dial the clock was then later improved by the famous J P Johanson.
J P Johanson was a prolific inventor who invented the modern adjustable spanner amongst many other inventions. He is referred to as an inventive genius and has over 100 patents in his name. I would need quite a few pages of text to fully explain his endeavours, I would encourage you to research this very interesting man.
The clock was provided by a company called Skultuna who was founded in the year 1607 by King Karl IX of Sweden as a brass foundry. Today Skultuna is one of the oldest companies in the world and it is still a purveyor to the Royal Court of Sweden. For over 400 years, Skultuna has produced objects of the highest quality. The year was 1607, and King Karl IX could at last implement his long held plans for a Swedish brass industry. During the time of Gustav Wasa and Erik XIV, Sweden had become indebted to the Hanseatic League. Refining copper into brass would reduce imports of brass and increase income from exports. The King had a man sent off on the Crown's business to find a suitable location for a brass foundry, the choice fell on Skultuna, where the Svartån brook provided sufficient waterpower. Charcoal was available here as well and the copper mine at Falun was also close.
As you can see, this is a very handsome clock and is around 6 feet in length with a pendulum bob that is 12 inches in diameter. Due to the deadbeat escapement, the movement on the pendulum is very precise and only just misses the sides of the mahogany case. With over twenty years experience in restoring and conserving clocks and working on some of the finest and complicated clocks for a select group of the best antique clock dealers in the country.
As well as this, Overton Clocks has now decided to offer our customers the opportunity to purchase fine antique clocks that have been personally selected for their unique or special features. Each clock has been expertly restored to the highest of standards by myself. Overton clocks ensures peace of mind in your investment, by personally offering three years warranty on all of our timepieces.
I am a master clockmaker, a Freeman of the Worshipful Company of Clockmakers and a member of the British watch and clockmakers guild. Overton Clocks is a traditional clock shop based in the heart of Chesterfield on two floors hosting a showroom and in-house fully equipped workshop.
For case studies and examples of our work, please see our website (overtonclock.co.uk) or find us on Facebook ( overtonclocks) for regular updates
Price
£19500.00  UK
$24921.00  USA
€22904.70  EU
 The price has been listed in British Pounds.
Conversion rates as of 4/JUN/2024. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer.
 
Shipping information
If the asking price is offered, I will personally deliver and set up your clock free of charge anywhere in the UK.
Period Late 19th Century Antiques Material Mahogany Origin Swedish Item code as1025a006 Status Sold

SellerOverton Clocks Of Chesterfield

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Overton Clocks Of Chesterfield
Overton Clocks of Chesterfield272 Chatsworth Road
Chesterfield
Derbyshire
England, UK
S40 2BH

Tel : 07930827692
or : 07930827692

Non UK callers : +44 7930827692 or +44 7930827692

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Unique Perpetual Calendar Clock with leap year
 
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