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A pair of solid silver hearing aids, ear tubes

A pair of solid silver hearing aids,Weimer in their original Weimer case. They date to the early 20th century and have an attractive design. The tubes fit into the ear canal, and the larger hollow sections sit in the outer ear. Each is marked with the Weimer Co. signed as is the inner silk lining of the case.Date 1900-1920 and measuremants 6 x 4,5 x 3 cm. This set is from a collection of hearing devices now being sold.  Are you Read More...

A 8inch/21cm Dutch proportionnal dividers with micrometric screw by Jan Kleman ?, c. 1800

A very good and quite unsual example of a good, large and cased Dutch, but English-type, proportionnal dividers measuring 8inch/21cm lenght and bearing the signature “K. J.”, certainly for Jan Kleman ?, and datable circa 1800. Jan Kleman was a Dutch maker etablished in Amsterdam between 1781 and 1808 between his son comes in the trade and the company takes the name Kleman & Zoon. The proportionnal dividers is divided with two lines and has a very unusual micrometric screw. Rare Read More...

Light reflection -refraction optic instrument

Light reflection -refraction optic instrument , from the former property of a technical college 35 cm wide  Read More...

ELEGANT ASTROLABE RETE WITH FLORAL DESIGN

Seventeeth Century Map of the Heavens, Indo-Persian, c.17th century, of pierced and hand-engraved brass, 6″ (15 cm) in diameter. Engraved in Arabic script, the rete, with its map of the heavens and celestial coordinate system, has a circular ecliptic band labeled with the twelve Zodiacal houses and subdivided on the beveled edge for every two days. Arcs of the equator are included inside the upper half of the ecliptic, and outside the lower half. A horizontal bar is counter-changed Read More...

Gunner’s Level and Gauge, early 17th

Gunner’s Level and Gauge Early 17th century Italy Heavy brass, cm 33.2 x 10.6; thickness 6 mm. The long leg of this instrument enables it to be placed in the barrel of a gun to read elevations against a scale of degres. The range of the fire was calculated on the basis of the weitght and caliber of the ball. The instrument also serves as a gunnery gauge, carrying scales for stone (“PIETRA”) and iron (“FERRO”) and measures for PALMI (palms) and PIEDI Read More...

An Early 1900’s low grade ‘Silver’, Folding ,Medicine Fork & Spoon

This antique Folding Medical Spoon & Fork is in great condition. The folding handle has an ornate design – with a different figural face on either side. There is no stamp or makers mark that I can see. It is 16.5cms long – when open.The spoon is tea spoon size.   Read More...

Cased and signed Plossl Microscope.

Cased and signed Plossl Microscope.   Microscope has no accessories other than what is on the microscope.  The top of the limb that contains the body tube is signed:” Plossl Wien”.  The single-sided substage mirror is in fair to good condition.   Case is in very good condition.  I am unable to date the microscope any more accurate than pre-1868.  Microscope stands 9.5” (24.1 cm) tall.  Case dimensions are 10.75” (27.3 cm) long, 3.5” (8.8 cm) wide and 3.75” (9.5 cm) Read More...

Antique microscope mirror condenser C. Reichert Wien ca 1890 with Box

Antique mirror condenser C. Reichert Wien ca 1890 with Boxin completely original and good working conditiondimensions box 22 X 9 X 4 cmWithin the EU no shipping costs, will be sent registered and well-packaged Read More...

Apparatus for the law of refraction and refraction angle of fluids P.J. Kipp

Apparatus for the law of refraction and refraction angle of fluids P.J. Kipp Delft Holland in beautiful and completely old original condition , perfectly cleaned and restored ca 30 years ago by one of the best restorers in this field .Diameter of the glass bowl 22cmtotal height 50 cmwill be carefully packed and sent by registered mail Read More...

Small Lebegue terrestrial globe, 1850’s

A small teresstrial globe by A.N. Lebegue et Cie Bruxelles. Alphonse Nicolas Lebegue (1814-1885) founded the Lebegue company in 1843 after he left Paris, which became one of the most famous printers of the city Brussels. The globe arises from a decorated cast iron stand and is made of plaster and 12 paper gores. It is in good condition, exept from a crack along the coast of africa, however, everything is finely readable. It is adjustable by a screw, which Read More...

Rogets spiral mercury current by M.Prins Holland

A rogets spiral mercury current made by M.Prins  A proposition for the atraction of  parallel curents of the same direction measurment 19 X 9 X 27 cm shiping within de EU at no extra cost  Read More...

Swivel conductor electric device, (Ampere’s device) by P.M.Tamson

Swivel conductor device, (Ampere’s device) manufactured by P.M.Tamson For demonstrating a.o. magnetism and direction of rotation .With 3 accompanying coils , Is very well packaged and sent by registered mailDimensions 17 X 15 X30 cm shipping within Europe no costs ,outside Europe on request Read More...