Monocular Brass 18th-19th Century

Sextant with brass frame, vernier with adjustment screw, three colored filters for the fixed mirror and three for the mobile one, aiming telescope.

19th Century / 1801 - 1900

Brass geodesy graphometer, signed "Stanley London", with compass whose bottom is engraved with a compass rose indicating the 4 cardinal points and a broken bubble level. It has an inverted double diopter, as a goal for the fixed reference point, in the lower part. Another movable diopter with reading nonius in the fixed goniometer, the latter having a scale from 0 to 180° and from 180° to 0, indicated from 10° to 10°, semi-circular shape. Contained in a walnut box.

19th Century / 1801 - 1900, 17th Century / 1601 - 1700

Brass and steel iron scale with spring system; it comes with 3 sets of cup weights; one consisting of six elements, two with houses (the outermost weight in the form of a case with a lid) and with six and five weights respectively. The latter, which is older than the rest of the lot and dates back to the 17th century, is stamped with a chalice on the outer part, while each of the inner weights has a triangle within which a six-pointed star is inscribed.

"Franciscu"

Gilded brass leveling square signed "Franciscu".

"Canivet a Paris"

Level and square set with golden brass wire, signed “Canivet a Paris”. On the instrument there are also the inscriptions “6 p de France / Nelle Mesure”.

Germany Early 1900s

German-made violin marketed in Italy by Antonio Monzino. Dealer label inside. Coeval bow and case.

T. WALKER'S Patent HARPOON SHIP LOG A.2.

Mechanical harpoon towing log/"Harpoon towing log" model A2, made of brass and porcelain, without stabiliser, fitted with three dials on the porcelain panel, of which the first records miles up to 100, the second records units up to 10 miles, the third records quarter miles. The four rotor blades are stamped with the anchor motif and the initials T.W. The design details and features suggest a production date around 1880.

J. H. Steward 406 Strand London

Brass laboratory microscope, J. H. Steward, 406 Strand London. The mahogany box containing it has an empty slot and signs of a possible attack on the inside of the lid. The inscription "St. Paul's Churchyard" (active location between c.1867 and 1930) on a component found in the wooden box and the characteristics of the instrument allow us to date it with good probability to the last quarter of the 19th century.

Italy, Early XX Century

Early 20th century brass telescope diopter. Alidade composed of a flat rod, called rule, at the ends of which two pinnulae rise hinged; equipped with metric scale, compass, spirit level and distance metric collimator telescope.

Italy, Mid XX Century ca

Galloni Dental Technician Parallelometer.

18th Century / 1701 - 1800

Brass alidade for a praetorian tablet, consisting of a flat rod, called a ruler, at the ends of which two pinnules with a pin for locking are hinged. Contained in an original leather and suede case on the inside.

Europe Mid 1900s approx.

Glass chemical laboratory instrument with brass elements, iron base and thermos.