A 1 inch single draw, silver, bone and tortoiseshell monocular signed Nairne London (bone cracked...
A 18th Century bone case pocket combined calendar dial and compass, unsigned, the calendar dial with...
A 19th Century "Butterfield"-type brass octagonal dial, the underside stamped with the names and...
A 19th Century "CADRAN SOLAIRE", the pillar dial with inset compass and folding gilt brass gnomon in...
A 19th Century 2 inch, four draw brass telescope signed Maison De L'Jngr Chevallier Optn Place Du...
A 19th Century 8¼inch magnifying lens, the telescopic brass stand signed John Browning London...
A 19th Century brass and ebony octant signed on the maker's plaque "Savage",n.y. , with telescope...
A 19th Century brass lattice framed sextant, unsigned, with telescope mount, 6:7 shades, mirrors...
A 19th Century brass octant signed on the arc O. Owens 4 South Castle St. Liverpool , with telescope...
A 19th Century brass pillar sextant, with Cary's patent reinforced frame, signed on the arc CARY...
A 19th Century brass surveying Compass signed on the dial W.&.L.E.GURLEY Troy N.Y. FABRICADO PARA A...
A 19th Century brass surveying level signed on the silvered dial Cary London , with rack and pinion...
A 19th Century electro-static cylinder machine, with glass cylinder, leather friction pad and...
A 19th Century gilt bronze figurine representing Benjamin Franklin , seated and holding pen and...
A 19th Century guinea scale, signed in ink and in print on paper instructions A. Wilkinson Ormskirk...
A 19th Century lacquered brass triginometric plotter rod system, the rectangular frame with central...
A 19th century oxidised and lacquered brass theodolite signed on the silvered compass dial CHADBURN...
A 19th Century wood cruciform sundial signed WmFs Sculp 1838 Lat 5321 , and further inscribed with a...
A 19th CenturyFrench brass octagonal equinoctial dial signed Langois AParis aux Galleries du Louvre...
A 19th-Century brass surveying compass, signed on the silvered dial HENRY WARE, MAKER CINCINNATI,O...
A 19thCentury lacquered brass Douglas's Patent reflecting protractor signed Cary London Patent 109...
A 2½ inch reflecting telescope signed on the back plate JAMES SHORT LONDON 1741 110/298 = 9.5 the...
A 2½inch five draw plated telescope signed J.H. Dallmeyer London , with dust cap and slide, ray...
A 3¾inch refracting telescope signed on the back plate DANCER MANCHESTER , the 48inch (122cm) long...
A 3¾inch refracting telescope signed on the back plate DOLLOND LONDON , the 43 inch(109.2cm)long...
A black and gilt lacquer Chinese geomancers compass 7½in.diam., with central compass box and needle...
A black enamelled and brass three circle framed sextant, signed on the arc H.HUGHES & SON Ltd 59...
A black enamelled and lacquered brass travelling microscope signed E. Leitz Wetzlar No156259 , with...
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