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Georgian 18ct Gold Quizzing Glass

838R
Written by Olly Gerrish

A rare quizzing glass that was made circa 1820. On the front there is much attention to detail in the radiating engraved surfaces and floral work around the central glazed section, and on the top ring. Inside the central glazed section is tightly woven hair. The reverse has a plain centre with radiating engraved detail. Guilloche or engine turning is the term given to these very fine, intricate geometric patterns which were mechanically engraved into and gold. The machine used to produce this effect is called a lathe which uses a rotating drive which turns the piece being worked on against changeable cutting tools. The quizzer pulls out and has further Repoussé detail around it. Repoussé, is a method of decorating metals in which parts of the design are raised in relief from the back or the inside of the article by means of hammers and punches. The definition and detail can then be added from the front by chasing or engraving. So this piece of jewellery is a fine example of the jeweller’s craft and has a practical use. The quizzing glass has roughly a times five magnification.

Item Number
838R
Measurements
Height from top of loop to base 5.5cm
Width at widest point 3.5cm
Item Materials
Date & Origin
Provenance
English
Hallmarks
Unmarked, tested to 18ct gold, some inner parts are base metal such as the screw & hinges
Condition
Very Good
Discovered
3 years ago
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