You can open the PDFs by clicking on the various PDF links.If there's a detail page, there'll be a DETAIL PAGE link as well.GERMAN MANTEL CLOCK WITH AN UNMARKED MOVEMENT IN OAK CASE WITH A DARK FINISH, CIRCA 1900-1920. THE FRONT DOOR HAS SQUARE GLASS OVER THE DIAL WITH BLACKED CORNERS WITH GOLD DECORATIONS. The case is made of Mahogany and has a few small dents. It has black Roman Numerals and black 5 minute Arabic Numerals. There are 4 unusual corner spandrels: a flower, a clover, and some kind of plant as the 2 right side spandrels.THE CASE IS VERY SIMPLE WITH A SLIGHTLY ARCHED TOP. THE CASE IS MADE OF WALNUT AND HAS A ROSEWOOD VENEERED FRONT AND DOOR. THE CASE IS ROSEWOOD VENEERED WITH THE ORIGINAL GILT STENCILING ON THE FRONT OF CASE AND ACROSS THE BASE OF THE CLOCK IS STENCILED IN GILT "J. The center of the silver dial is engraved "CHARLES FRODSHAM LONDON" and is hallmarked. The overlays represent Queen Elizabeth II's Silver Jubilee. LARGE FRENCH SLATE MANTEL CLOCK BY JAPY FRERES, PARIS, FRANCE. THE SLATE HAS FLORAL ETCHINGS IN GILT ON THE FRONT OF THE CASE.Patricia Voss edited the pdf that will be added later: warning - it's huge - but beautiful. Crocheted laces to imitate a French bobbin lace that typically has leaf or petal shapes connected by bars.
Sometime between the year 10 crude mechanical grinding technology began to develop regarding rock crystal (simple magnifiers).
THE SPRING WOUND MOVEMENT IS AN 8 DAY WITH A HOUR STRIKE ON A COILED GONG.
an illustrated selection of antique silver and objects of vertu Continental, European, Italian, Russian, German, French, English, Austrian, Scottish, American, Dutch, Danish, Judaica, Georgian, Spanish and much more The home page of A Small Collection of Antique Silver and Objects of vertu, a 1000 pages richly illustrated website offering all you need to know about antique silver, sterling silver, silverplate, sheffield plate, electroplate silver, silverware, flatware, tea services and tea complements, marks and hallmarks, articles, books, auction catalogs, famous silversmiths (Tiffany, Gorham, Jensen, Elkington, Mappin & Webb, WMF, Reed & Barton), history, oddities...
Stone grinding advanced especially around monasteries. English Franciscan Friar Roger Bacon (1220 -1292), in his 1268 ‘Opus Majus’, noted that letters could be seen better and larger when viewed through less than half a sphere of glass (plano-convex shape).
Bacon's experiments confirmed the principle of the , described by Alhazen (965-1038), "Father of Modern Optics", Arabian mathematician, optician and astronomer at Cairo, and even earlier by the Greeks.