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Compact Portable Grain scale signed Chemin “Rue de la Feronnerie a Paris” C. 1789.

Compact Portable Grain scale  signed Chemin “Rue de la Feronnerie a Paris” C. 1789.  Long lacquered brass cylinder compactly contains cylindrical mahogany fitted case filled with an entire outfit for weighting a standard volume  The suspendible brass measuringcylinder for “Demi Litre” Silk funnel in collapsed frame with finger suspension and pewter pull stopper, wooden plate for topping off. One big weight only. Good condition, Just a crack in the green skill funnel. Read More...

Butterfield Graphometer Floral decorations C 1680

Butterfield Graphometer Floral decorations C 1680 At the centre a large and finally engraved compass with eight directions. Mounted on his original stand and his ball joint. Very completed and in very good original condition   Read More...

A late 19thC. Ornate Pair of Unsprung ‘Silver’ Lorgnettes.

This decorative pair of lorgnettes are in great condition .They open manually, & there is no spring mechanism. There’s remains of silver guilt, & sadly no makers name or hall marks. Possibly French, they measure 14cms long when closed. Read More...

UNUSUAL LARGE POCKET TELESCOPE WITH HELICAL FOCUS

By a Maker of Rock-Crystal Lenses, French, late 1830’s, signed “Rossin, nev. et succ. de Chauchoix.” Opening from 3-1/2″ to 6-3/4″ (9 – 17 cm), this large “monocular” is made of gilt brass with two drawtubes, the bell-shaped main tube bound in four floral-filled panels alternating red and brown. The singlet objective is a full 2-1/4″ in diameter, and with the thick bi-concave eye lens gives bright erect images. Focusing is by helical thread to the first drawtube. Condition Read More...

Museum Brass Horizontal sundial dated 1699 signed N B Nicolas Bion?

Museum Brass Horizontal sundial dated 1699 signed  N B  Nicolas Bion? Style very well engraved with floral decoration Graduation in minutes . Lat 53. 45      Read More...

Interesting Surveying Circle C. LANGLOIS AU NIVEAU C.1735 21 CM

The instrument consists of a partially hollowed-out disk mounted on a knee stand. It is engraved on its circumference with a 360-degree scale with double numbering in reverse (each 10-180 X 2); the two diameters, adorned with foliage, bear the signature C. Langlois Au Niveau on the reverse. Four non-folding pinnae, each with a slot and a window, are screwed onto the circumference. The alilade, which rotates with the compass, has an index that points to the circular scale; it has two Read More...

Signed Simple Aquatic Microscope by Jean-Andrien Deleuil. C. 1850’s.

Signed Simple Aquatic Microscope by Jean-Andrien Deleuil.  C. 1850’s.  Microscope is signed “Deleuil”.  The arm with the attached eyepiece and stage both move in aquatic motion (pivot left and right).  Focusing is accomplished by moving stage using knob.   The stage is missing the glass.   The single-sided mirror is in fair to good condition, with the mirror cloudy but no cracks.   Accessories include three additional eyepieces in case.  Case is in very good condition.  Removal of the microscope from the Read More...

Signed Hartnack & Prazmowski Microscope

Signed Hartnack & Prazmowski Microscope.  C. 1880’s.   There is no case or accessories with this microscope, other than what is mounted on the scope itself.   Scope is signed “Mon E. Hartnack & A. Pravmowski , Suc Rue Bonaparte, 1 Paris”.  Single Sided substage mirror is in good condition, as is the entire microscope.   The substage mirror is mounted on an arm that swings left and right.  There is also a substage variable aperture wheel.  Microscope stands 10.5” (26.7 cm) Read More...

Large 22 CM Wooden Hour-Sandglass Early 18TH Century 4 Columns

Large wooden Hour-sandglass Early 18Th Century 4 Columns  Read More...

Cased Stiassnie Microscope with accessories

Item 130 Cased Stiassnie Microscope with accessories.   This microscope is C. 1900 and has accessories including mica cover slips, glass slides, two marked eyepieces, 3 objective lenses with accompanying cases and 1 empty objective case.   The black objective case is newer and does not match the markings of the objective inside.    That objective is marked Stiassnie Paris1/15.   Microscope is signed on the body tube with:” M. STIASSNIE  204 Bould Raspail PARIS”. There is what appears to be a serial number Read More...

WWI aircraft generator propeller

A WWI era French aircraft generator propeller. Back marked: VOLTAIC Casing marked: E C Alle N  Length of propeller: 45 cm. Mounted on a teak and aluminium display stand. Width of stand: 23 cm. Read More...

Legion D’Honneur Presentation Marine Instruments for French Naval Officer Marcel Andre Raoul Ebstein Kalfa, manufactured by A Hurlimann Paris

For sale a suite of Legion D’Honneur presentation marine instruments for French Naval Officer Marcel Andre Raoul Ebstein Kalfa, manufactured by the Parisian firm of Ponthus & Therrode (successors to the firm of A Hurlimann). The set comprises of three walnut cased instruments, a sextant, a pair of associated binoculars which may be attached to sextant and an artificial horizon. The skilfully proportioned ladder framed sextant is complete with index arm, adjustable vernier and double hinged magnifier, the index arm is Read More...