Set of dividers in nickel silver and steel by Dollond mid-19th century

Description

Set of pairs of dividers dating from the mid-19th century built in nickel silver and steel and signed "Dollond".
The homogeneous construction set includes :
-A large dividers with interchangeable point (note the change system by sliding and not locking screw) measuring 16 cm in length;
-A point for ink;
-A point for pencil;
-An extension ;
-A point with adjustable point (without the point) ;
-A second smaller dividers measuring 13 cm in length ;
-A third small dividers with baluster measuring 10 cm in length ;
-A line puller ;
-And three spring baluster dividers.
Offered for sale is an antique Brass French Protractor by Meurand Quai de l` Horloge, of Paris France and dated c. 1792, the maker being Charles Joseph Meurand. The protractor is graded with two engraved scales, calibrated for Cordes, Solides, boulets, Poligones, plans, pieces -- 3 7/8" long, the lacquered- brass half protractor, signed Meurand quai de l'Horloge, Paris. #369.069
The name of the maker is engraved in flamboyant style. it measures approximately 2.6 x 3.8 inches. It is hand engraved with inner and outer scales. The outer edges are tapered. The straight edges are beveled.
Reference:
Scientific Instruments, by John Fitzmaurice Mills, Aurum Press
Scientific Instruments of the 17th & 18th Centuries and their Makers, by Maurice Daumas, Portman Press.
This product would make a wonderful addition to any scientific instrument collection when displayed in a prominent place, being a grand collectible item that would adorn any serious collector's prized scientific instrument accumulations, while showing a discriminating dedication for fine scientific instrument items as well as a devotion to acquiring fine collectibles.
Provenance: Sotheby's 1996, March
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