Holland Circle by Baumann and Kinzelbach

As exceptionally scarce as it is fascinating, this autochange disk player by the Polyphon Musikwerke in Leipzig, Germany can change between six disks and play with the incredibly rare addition of bells that accompany the music. Before a coin is dropped into the slot, slide the brass indicator until it points to the desired music selection, insert a penny, and the chosen song will play automatically. An extremely limited number of these automatic disk changers were ever created, and even fewer have survived in such outstanding condition. Standing over seven feet tall, this particular model boasts a magnificent walnut case with handsome burl panels on its original, matching storage cabinet. A true technical marvel for its day, Polyphon’s automatic disk changer symbolizes pure ingenuity and superlative craftsmanship. This antique player...

Brass Compound Microscope in Case Ernst Leitz Dated 1897 This rare late 19th-century compound microscope was crafted by the renowned optical firm Ernst Leitz GmbH of Wetzlar, German...

Wooden Mantel Clock Vincenti et Cie Late 19th century The mechanism is marked "Vincenti et Cie, Médaille d'Argent 1855, Made in France." Vincenti et Cie, established in 1823 by Jean Vincenti in Montbéliard, was revitalized by Albert Roux in 1829, who expanded and innovated the company. Under Roux's leadership, the firm continued its Montbéliard operations and opened a store in Paris in 1850 on Rue d'Anjou in the Marais. The company earned a silver medal (Médaille d'Argent) at the 1855 Exposition Universelle, for which this clock bears the mark "Médaille d'Argent, 1855," symbolizing its excellent craftsmanship. The clock dial is marked Bailey, Banks & Biddle for the oldest nationwide jeweler in America, originally founded in 1832 in Philadelphia, Pennsylvania. The company is one of America's most prestigious retailers, known for creating the updated and final version of the Great Seal of the United States as well as the first 40,000 Purple Heart medals...

This exceptional and rare French nécessaire de voyage is almost certainly the work of the highly respected Parisian manufacturer Pierre-Dominique ...

Brass sextant signed B. Cooke & Son Hull, from the second half of the 19th century and housed in its original mahogany wood box with brass handle, hinges, and locking hooks, complete...

Burnished brass sextant D. Mc Lean & Co Lta 113 Frenchurch St. London, datatable around the end of the 19th century, instrument complete with optics and housed in its original squa...

Ebony wood, brass and marine ivory octant, scale from 0° to 100°,signed Hughes London made around 1830. Good condition, complete with custom-made display base made of wood and brass....

Engraved boxwood diptych sun clock with brass hinges and locking hooks, book-shaped, mid-19th-century English manufacture. The clock has an orientation compass inserted in the base w...