Archives

C1910 Vibrophone Hearing Aid

A Vibrophone hearing aid by Charles Valery, working in Paris. A 1913 advertisement for the device in a Portuguese journal describes it “as an invisible device that is placed in the ear canal. Thanks to its great power and precision deaf people hear and can follow a conversation. With its use buzzing and ear noise disappear completely.” The instruction that came with it indicate that the two-ended hammer can be used for ear massage by striking the device while Read More...

Museum Horizontal sundial 1699 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...

C1860 Mathieu Nebulizer

A fine example of a C1860 Mathieu (Paris)  nebulizer that is in working order and complete, noting the absence of a small piece of rubber tubing that can, if desired, be easily replaced. 9″ ( 22.5cm) high and 10″ (25cm) wide approx. A link  illustrating the nebulizer  (see figure 18) and describing how it functions follows: https://hardluckasthma.blogspot.com/2014/02/1859-mathieus-nephogene.html Read More...

Large Surveying Graphometer with two telescopes signed Canivet à la Sphère à Paris Dated 1767

Large Graphometer with two telescopes signed Canivet a Paris dated 1767 Silvered Compas with 16 point rose and degree scale  and original needle. The North point of the compass had an engraved fleur de lys. Staff mount with universal ball joint and rare leveling screw for adjustments. Handsome floral motivs and very beautiful engraved   Canivet was nephew and student of the famous maker Claude Langlois and was ingénieur of the Academy des Sciences in 1756.   Maker of some instrument for the Paris ’s observatory. Some instruments signed Canivet Read More...

Miniature Travel Reflecting Telescope C.1730

Mounted on tripod foot with ball-and-socket joint and little butterfield thumbscrew to tighten Read More...

French Equinoctial Compass Sundial

Description: This French equinoctial compass sundial is a rare and precious piece. It features a silvered compass scale, two water levels, a folding gnomon, an hour ring, and a latitude arc, all housed in its original case. The approximate size is 13 x 13 x 4 cm. Key Features: Silvered Compass Scale: Facilitates navigation and provides precise directional indications. Water Levels: Ensures horizontal alignment for accurate readings. Folding Gnomon: Used to point towards the sun and indicate the time. Hour Ring: Marks the daytime Read More...

Dr. Glover’s Téléstéthoscope Électrique: Early Electric Stethoscope

  We are offering an example of Glover’s Téléstéthoscope Électrique, an early stethoscope that employed electricity and telephone technology. It is mechanically complete but lacks the battery, which ​was presumably removed because, not surprisingly after a 100 years, it was corroded and leaking​. Note low serial number on label that is affixed to front of case. A link to a contemporary article that discusses this instrument is provided below. Case is 27 cm in length. Maker is Fumouze et Cie, working in Paris.    https://www.google.com/books/edition/Archives_d_%C3%A9lectricit%C3%A9_m%C3%A9dicale_et_de/sBIkAQAAMAAJ?hl=en&gbpv=1&dq=Glover+Tele+Stethoscope+Electrique&pg=PR55&printsec=frontcover — Read More...

Combination instrument Barograph / Thermograph Jules Richard Paris ca 1890

Combination instrument Barograph / Thermograph Jules Richard Paris ca 1890, in fine working condition comes with winding key , very nice wooden case size 18 X 18 X 12 cm. Will be very well packaged and sent by registered mail Read More...

~HAYEM’S HEMOCYTOMETER by NACHET-AS NEW~

A complete and fine Hayem’s hemocytometer in case by Natchet c.1885. No apparent use, complete as seen in bright brass with all accessories, in black card case with Nachet address in lid. Hinges and lock are perfect. Used for blood cell counts and identification (RBC and WBC). All parts signed by Nachet. Case measures 14 x 8 x 3 cm. Read More...

JECKER Sextant later 18TH Century in fitted shaped mahogany case

JECKER Sextant later 18TH Century in fitted shaped mahogany case with brass handle Complete with three telescope. The frame with Ebony handle  The arc inset is in silver Jecker worked during some years with Ramsden in London     Read More...

Oger scarificator with sixteen lancets, 19th c

A 19th century brass scarficator with sixteen lancets, signed ‘Oger’. The scarificator comes with its original Marocco leather covered box which can be secured by a hook. On the inner side a red velour. Box measurements: 7,5 x 5,5 x 7,5 cm. Read More...

A fine first half 19th-century case-mounted pocket compound microscope

This is a so-called Gould-style compound microscope with a rectangular support pillar. The support is hinged at the bottom and mounted in the inner bottom of a rectangular wooden case. The focus is achieved by sliding the stage up and down the main support pillar. The illuminating mirror is inserted into the pillar below the stage with a pin. The stage has two rectangular brass plates. The top plate has two locating pins that fit into matching sleeves attached Read More...