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**Rare Vintage Original c.1981 Charles Frodsham Globe Clock Concertina Prospectus & Order Form**An exceptionally scarce, investment-grade promotional retail portfolio prospectus published by The Heritage Collection (Brunel House, Newton Abbot, Devon) in the early 1980s to commemorate Maritime England Year. Titled \"The Globe Clock. Crafted by Charles Frodsham & Company, master clockmakers. An original design with the globe spun in polished brass.\"This documentation features a highly comprehensive layout outlining the deep 16th-century historical design inspirations, complex 113-part mechanical engineering specifications, royal lineage context, and original luxury pricing tiers for this legendary astronomical timepiece. It serves as essential library provenance documentation for high-value horological assets.**Comprehensive Content & Panel Breakdown:**1. **Charles Frodsham Historical Pedigree:** Chronicles the lineage of the firm from its 1780 founding by William Frodsham through his son William James Frodsham to Charles Frodsham. Documents his landmark chronometer trials yielding an unprecedented variation of 86/100ths of a second over a year, his Royal Astronomical Society Fellowship, his presence at the 1851 Great Exhibition, and successive honors like the 1855 Paris Gold Medal of Honour and the 1860 Gold Medal from the Emperor of Russia.
2. **Deep Historical Horological Lineage:** Traces the centuries-old history of global astronomical timepieces back to 1552, detailing Jacques de Lagarde of Blois who manufactured a clock mounted on a terrestrial bronze gilt globe, marking the first design where the clock framework integrated with a planetary map structure.
3. **Detailed Technical Materials Specification:**
- Sphere: Spun brass, machine engraved, polished and lacquered. Housed on a matt silvered bow hinge on the equator to open the Northern hemisphere.
- Chapter Ring: Fabricated in brass, numerals and patterns are machine engraved, matt silvered and lacquered.
- Dolphin Pointer: Cast in brass, polished and silver plated.
- Hinged Bow: Solid brass (10mm by 12mm), polished and lacquered.
- Plinth: Solid mahogany, turned and polished.
- Winding Plate: Solid brass disc equipped with two brass winding knobs, engraved \"Charles Frodsham, London\" with the unique Serial Number of the clock.
4. **Movement & Sizing Metrics:**
- Movement: Specially designed 8-day mechanism fitted with an 11-jewel Swiss escapement. Comprised of 113 separate parts constructed entirely from traditional materials.
- Weight of Clock: 7lbs (3 kilos, 235 gms).
- Weight of Brass Sphere: 15 oz (430 gms).
- Sizing: Diameter of sphere: 6\" (15 cms); Width including bow: 7\" (18 cms); Height: 10 1/2\" (27 cms); Diameter of base: 6\" (15 cms).
5. **Maintenance & Care Guide:** Details official Frodsham workshop guidelines, specifying a full winding once a week by pivoting the top half of the sphere on the hinged bow and turning the top plate by the two knobs until it comes to a firm stop.
6. **Pristine Application Order Form:** Features a clean, completely unclipped retail application form containing original premium retail pricing structures set at £395.00 (inclusive of VAT at 15% and packing/insured delivery). Features reference to the complimentary book premium \"The Universal Atlas\" published by George Philip.**Condition Report:**
* Overall: Fine vintage archival condition with bright, rich color printing.
* Integrity: Fully complete multi-fold concertina sheet with the integrated order form unclipped. The natural vertical fold lines are entirely sturdy and intact. Free from modern clips, tears, stains, or ink writing.
* Wear: Very minor age-appropriate edge and handling wear from careful long-term storage.
* Please inspect the high-resolution listing photos closely to appreciate the exact physical condition before purchasing.**SHIPPING & PROTECTIVE HANDLING:**
This item will be shipped securely to ensure it arrives in the exact condition seen. International shipping is available.
