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Single draw telescope – Braham, Bristol.

A single draw, taper barrel telescope by ‘Braham, Bristol’ (worked 1828 – 38). It measures 21.25″ (54 cms) when extended and 18.5″ (47 cms) closed with a main lens of 42mm which has a triple lens element. The telescope gives a fine, sharp image with a magnification of 25 x. All in very nice condition. It comes with a later wooden display stand. Read More...

A “Henri Van Heurck” microscope coming from the Orville Golub collection

An early model of this famous microscope called “Henri Van Heurck”, after its inventor, the famous Belgian diatomist. This microscope was described by the latter “for the study and photography of diatoms and for all delicate researches”. The microscope is signed “W. Watson & Sons 313 High Holborn” and bears the serial number 3750. The microscope can be dated to around 1895, much earlier than the majority of known Van Heurcks built by Watson. This model is in excellent working condition. Read More...

A 2 3/4 Inch Pocket Globe after Moll C 1770 in fish-skin case

A 2 3/4-inch pocket globe after Moll C.1770Entitled “A correct globe with the new discoveries”made up of twelve hand -coloured engraved goresand two polar calottes, the equatorial graduated in degrees and hours,the meridien at 30 degrees West of Greenwich graduated in degrees.The ecliptic graduated in days of the houses zodiac with sigils, and the tracks of Cook’s 1760 voyage.Australia is named New Holland.It is contained in a fish skin covered spherical wooden case, and the interior laid with two Read More...

ELLIOTT BROTHERS LONDON FOLDING ARM PROTRACTER

6″ folding arm protractor within its original box and with its original gold lacquer. Read More...

Ship’s Compass John Lilley & Son London 1846-1913

Ship’s Compass John Lilley & Son London 1846-1913 in its original oak wooden case , and with a matching azimuth circle cardanically suspended John Lilley was a supplier to the Royal English Navy ,, dimensions wooden case 24 X 24 cm and 26 cm high  will be sent very well packaged  Read More...

Two 19th-Century Tooth Keys

Two 19th-century tooth keys. On the right, a dog-leg ( aka: cranked) tooth key with checkered ebony handle and two positions for mounting the claw. Probably English. $295.00. On the left a tooth key with turned wooden handle (walnut?), “the claw fixed to a swivel with rotates in the bolster, the claw is held in position by a spring catch”.* Note the attractive original decoration along the shank of the clutch–see last image. Probably English. $395.00. Booth tooth key Read More...

~FINE SURVEYOR’S COMPASS WITH VANES-ANODISED BRASS-MARRATT~

A fine and small surveyor’s compass in anodized brass by Marratt, London c.1830. Showing little signs of use (small scratches to underside), this simple theodolite boasts a silvered and raised 4 1/2 inch compass dial with 8 cardinal point, engine divided 360 degree outer bearing ring, locking tab and plain needle (points North). Mahogany case is missing it’s hooks but otherwise in good condition inside and out. Total length 7 inches. Case measures 7 1/2 x 5 x 2 Read More...

LARGE REFRACTING SCOTTISH TELESCOPE WITH TWO EYE-PIECES

SHIPPING BY FEDEX, UPS, DHL, ETC. FULLY TRACKED.  Contact Email:  [email protected] Read More...

A rare wind vane dial in the manner of Whitehurst

A George III period carved mahogany wind vane dial. The silvered engraved dial with all the points of a compass housed in the finely carved mahogany frame, the design of which matches the Whitehurst of derby barometers and would have been made on suite to match.  Sir Nicholas Goodison noted on the one recently sold from his own collection at Christie’s [£10,710],  that his and a hydrometer in the Gurstenfeld collection are the only known examples of this design, until Read More...

A fine double frame brass sextant signé M Berge London Late Ramsden C 1800

A fine double frame brass sextant signé M Berge London Late Ramsden C 1800 The Double frame with mahogany handle , index and horizon glass with silvered scale, telescope socket with vertical adjustment. The index arm with vernier by worm screw   Read More...

~LARGE CARY/GOULD, SIMPLE/COMPOUND MICROSCOPE-DOLLOND~

Standing 10 inches (25 cm.) tall-not including the additional box height of 3 inches, this portable Cary/Gould, simple and compound microscope is outstanding. Extensive accessories and a flame mahogany case measuring 8 x 6 x 3 inches tall (shrinkage crack to lid seems stable). Lock but no key. Forceps appear to be French ? Complete. Signed “Dollond, London”. 5 stacking objectives (bead #1 missing), 4 Lieberkuhned/darkened objectives (one high power), 2 sliders, live box, stage forceps, stage bullseye, fine Read More...

~GOOD MINER’S COMPASS-32 HOUR c. 1830~

A good Georgian era miner’s compass in folding mahogany case to be carried in the pocket. Engine divided, raised and silvered outer ring in hour, half hour and 15 minute increments. Inner circle is silvered and divided into 8 cardinal points (English) with a finely chiselled compass needle (still points North) rotating on a chiselled brass pivot point. The glass is original and shows fine scratches at the pivot point because the needle does not lock. The glass is Read More...