D. Filby Sextant Ebony Germany XIX Century - Hamburg 1837 - 1862

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.

"Butterfield a Paris"

Leveller set square with plumb line, in gilded brass, signed “Butterfield a Paris”; there also is the inscription "pouces de Roy". Michael Butterfield (1635-1724) was an English watchmaker who moved to Paris around 1663, where he worked at the royal court and was appointed engineer by Louis XIV. He opened a shop of precision instruments, and specialized, in particular, in the production of sundials. Among his main customers is the Tsar Peter the Great, who also visited the workshop in 1717.

19th Century / 1801 - 1900

Sextant with brass frame, vernier with adjusting screw and microscope for reading, three coloured filters for the fixed mirror, four for the mobile mirror. Marked "P. & G. Mattei Cardiff".

V

Sextant with brass frame, vernier with adjusting screw and microscope for reading, three coloured filters for the fixed mirror, four for the mobile mirror. Marked "P. & G. Mattei Cardiff".

"Baradelle a Paris"

Theodolite in gilded brass, with fixed and movable alidade central compass; signed on the underside "Baradelle a Paris". Baradelle was a French family of makers of scientific instruments; their production includes that of the father Jean-Louis-Jacques (active from 1752 to 1794) and his son Nicholas Eloi (active from 1774 to 1814), both signing indiscriminately with the sole surname. There is the painted and gilded wooden base with phytomorphic motifs as well. A similar theodolite belongs to the English collections of the Science Museum Group.

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.

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.

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

Scotland, Early XX Century

Barograph Wilson & Sharp Edinburgh.

"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”.

"Franciscu"

Gilded brass leveling square signed "Franciscu".

19th Century / 1801 - 1900

Telescope diopter made of brass, composed of a movable graduated ruler, small compass with wind rose on the base, distance collimator telescope, vertical graduated circle and spirit level placed on the top of the telescope.