Featured Items See All Featured Legion D’Honneur Presentation Marine Instruments for French Naval Officer Marcel Andre Raoul Ebstein Kalfa, manufactured by A Hurlimann Paris £5,000 View details Featured Combined Nocturnal and sundial c. 1580 Price on application View details Featured A 18th century small divider €100 View details Featured 18th century iron dividers with heart motif $250 View details Latest Items See All The Multiplication Table n Rhyme £110 View details Manuscript description of the first French calculating machine from the 19th now lost – circa 1800-1806 POR View details Henry Hughes & Son ‘The Paget’ Angle Sextant with case. £190 View details 18TH CENTURY NON-ACHROMATIC TELESCOPE SIGNED DOLLOND & SON LONDON POA View details The invention of astronomical ring by Gemma Frisius 1534-1539 POR View details Triple Dividers, Gilt Metal Pocket Telescope/monocular/spyglass, Unsigned Calculigraphe type Circular Slide Rule Various View details A German anatomical model of the larynx, by Bock-Steger €2,700 View details Rare Pair of Victorian “PERFECTION” Reading Shades $195.00 View details Xylonite magnifying glass £80 View details Four draw nickel silver telescope. £120 View details EXCELLENT 5 INCH TRANSIT THEODOLITE WITH TRIG POINT TRIPOD BY TROUGHTON & SIMMS £950 GBP View details BRASS FRAMED TRANSITIONAL ENGLISH OCTANT £370 GBP View details Scientific instruments See All The Multiplication Table n Rhyme £110 View details Triple Dividers, Gilt Metal Pocket Telescope/monocular/spyglass, Unsigned Calculigraphe type Circular Slide Rule Various View details EXCELLENT 5 INCH TRANSIT THEODOLITE WITH TRIG POINT TRIPOD BY TROUGHTON & SIMMS £950 GBP View details Large Equinoctial Compass Sundial – Worthington & Allan. £2,500 View details BRASS SECTOR WITH SLIP CASE £480 GBP View details Vintage W. Watson & Sons Ltd – Bactil Monocular Brass Microscope – c1927, Cased £325 View details 2 physics experiments instruments Pascal and Archimedes ca 1930 € 135.- View details Microscope accessories in case – R & J Beck. £1,150 View details Rare innovative English Brass sector by John Worgan, circa 1697 POR - Reserved View details 3 x CARL ZEISS MICROSCOPE SLIDES WITH ORIG. BOX, OBJECTMIKROMETER 0.00mm , OBJEKTNET , KREUZTISH £160 View details Sold 5 antique Italian prototypes of teaching models of the crystals\’ structure Sold View details ~COMPLETE SET OF JOHN BROWNING OBJECTIVES-CASED~ $700 USD (550 GBP) postage included View details Medical antiques See All A German anatomical model of the larynx, by Bock-Steger €2,700 View details Rare Pair of Victorian “PERFECTION” Reading Shades $195.00 View details Augsburg medicine apothecary chest 18 century €1450.- View details TURNED ENDS, SILVER 4 LENS SPECTACLES ,HALLMARKED JOHN HARRIS IV , 1822, LENSES BLUE NO POWER £880 View details 4 x HAND BLOWN EYE BATHS WITH POLISHED PONTILS, ALL GOOD COND. , NO CHIPS (B) £240 View details 4 x HAND BLOWN EYEBATH WITH PONTILS, ALL IN GOOD COND. NO CHIPS (A) £160 View details 1921 London Hallmarked Silver Toothbrush $160.00 View details Two 19th-Century Tongue Scrapers See description View details A Quartet of 19th-century Dental Mirrors Various View details Sold FOLDING PRESSURE RINGS ON SILVER SPECTACLES by JOHN SHEKLETON EARLY 19TH C. GOOD COND. £440 View details FABERGE SILVER SPECTACLES CASE by HENRIK WIGSTROM bought from CHRISTIES, 1908 / 17 £9,000 View details A miniature Pajot obstetrical stethoscope €200 View details Globes, maps and charts See All Rare Copernician Planetarium with mechanical brass celestial sphere attributed to Emile Bertaux, made late XIXth century POA View details Pocket globe signed Lane London dated 1818 POA View details Navisphère celestial globe by Henri de Magnac, Paris. £2,800 View details Carl Adami 13 inch terrestrial globe, Berlin, 1900. £1,800 View details 3′ newton pocket globe £6,950 View details Sold Rare leaflet promoting the New Cosmograph invented by the watchmaker Pierre-Léon Girod, circa 1890 €90 View details A French Copernican armillary sphere, c. 1890 Price on application View details The Franklin Terrestrial Globe $1,850 View details Beautiful Delamarche Terrestrial Globe Dated 1866 In Good Original Condition Price on Application View details Small Lebegue terrestrial globe, 1850’s € 850,- View details A rare French terrestrial globe by Naud-Evrard Editeur in Paris, ca. 1870’s €750 View details MINIATURE GLOBE BY JFL PARIS, GOOD COND. GLOBE 2.25 IN. DIAM. C1890 £260 View details