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10 Sep

18th century English mahogany and brass quadrant.

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Mahogany and brass quadrant. On the upper side there is a brass circle graduated from 0 to 90 twice, divided every 10 degrees and subdivided into degrees. At the top a small brass support for a ring is screwed on. On one side there are two sighting pin holes. The back is not engraved. Dimensions: radius 20.3 cm x width 28.5 cm x thickness 1.1 cm. England dated 18th century. Read More...
09 Sep

Brass equatorial ring signed I Sisson fecit made in London circa 1720.

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Brass equatorial ring signed “I Sisson fecit”. On the signature side the outer ring is graduated 90 – 0 – 80 degrees. The inner ring (horary circle) is graduated I – XII twice in Roman numbers with graduations that extend into the circle. In the centre is a bridge indicating on one side the calendar months and on the other side a zodiacal scale (with signs) and the declination of the sun. In the centre is the mobile cursor with two Read More...
02 Sep

~FABULOUS GEORGIAN DESK MAGNIFIER~

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A fine Georgian era desk magnifier/map reader in turned, flame mahogany frame. Can be used from both sides. Large format, 4 1/2″ frame, 3″ biconvex lens (original with wavy imperfections, one internal bubble and only minor scratches-see photos). Frame inserts to hold lens are fully intact with no cracks. One old nibble (machining chip) on the external frame. 5-10X magnification. c. 1820. Read More...
26 Aug

A Rare Brass Mechanical Pharmaceutical Powder Folder

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A rare brass mechanical pharmaceutical powder folder, with a lead filled base, unsigned, and in working order, finish dull. Read More...
25 Aug

5 draw nickel silver telescope – Watson.

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A five draw telescope signed, ‘ W. Watson & Sons Ltd, 313 High Holborn, London ‘. The Company worked from this address from 1862 – 1957. The first draw of the telescope is a pancaratic tube giving magnifications of 30 x to 50. The main lens has a diameter of 53mm which gives a fine sharp image at all magnifications. The length fully open is 42.5″ (108 cms) and closed, 10.5″ (27 cms). In good condition throughout.   I do not always receive Read More...
17 Aug

Early Twentieth Century Royal Navy Signal Practice Set or Tufnell Box

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For sale, a rare early Twentieth Century Royal Navy Tufnell signal practice set. Encased in a large black painted pine case, the base is divided into numerous sections into which painted metal flags are stowed. The sections are ordered according to types of flag with a key provided to the top edges of the case. Sections include: Alphabetical flags Numeral Flags & Pendants Special Flags & Pendants International Admiral Flags Aircraft Carrier Special & Lights A large quantity of flags are included in the set although I am Read More...
12 Aug

Early Victorian Lucien Vidi Aneroid Barometer by EJ Dent Paris.

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For sale an early Lucien Vidi brass cased aneroid barometer retailed by EJ Dent. This early barometer has a 4.5 inch silvered dial and curved Fahrenheit thermometer to the bottom section. The dial is engraved with the words, “aneroid barometer” to the top and “Fahreheit’s thermometer” to the bottom above the serial number “20352”. Below the set dial is engraved the retailers name, “EJ Dent, Paris”. The weather indications are standard for Vidi barometers and are the predecessor to the Read More...
11 Aug

Broadhurst Clarkson & Co Telescope Box

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Constructed of pine with a carrying handle and two catches. Read More...
08 Aug

~18TH c. SIMPLE TRANSIT/DRAINAGE LEVEL-SHARKSKIN CASE~

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A fine, untouched simple transit/drainage level in its original 18th century sharkskin case. Although unsigned, it is of the highest quality and exhibits some unusual features from other examples that I have by Adams and Bleuler. 10 inches in length and 1 inch in diameter, its spirit level below the body tube is intact. Perfect inverted optics with cross hairs intact. Separate sun shade sits on a wooden post in the case. Fine oblique knurling, 90% original laquer intact, Read More...
21 Jul

Opera glasses by W. Watson & Sons.

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Mother of Pearl and gilt brass construction, signed on the draw tubes, ‘W. Watson & Sons, Opticians, 313 High Holborn, London’, measuring 6.5 cms long and 8.7 cms with the draw tubes out. The main lenses have a diameter of 26mm (1″) and are very clear to look through. Excellent quality and damage free.   I do not always receive enquiries due to difficulties with  my server so please feel free to contact me directly: [email protected] Read More...
21 Jul

BOOK

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A useful paperback of 48 pages covering mainly spectacles, lorgnettes and pince-nez and cases Read More...
20 Jul

Marine telescope by Ross.

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A taper barrelled nickel silver marine telescope signed, Ross, London. No 29938′ (circa 1900) and, ‘Made for Falconer & Co, Hong Kong’. The Falconer company has has a presence in Hong Kong since 1885 and is still there today. He was an agent for Ross. The body is finished with its original string covering which was probably considered more durable than leather in a tropical climate. Fully extended it measures 33″ (84 cms) and 25″ (63cms) closed with a main lens Read More...
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