EditorialRoyal Society of Arts and Letters in Ghent, medal awarded to Peter Lebrocq, for his work on the Battle of Waterloo, Silver medal on the eye and the ring. Obverse: described sheet of paper, palm branch, painter's palette with brushes, on which portrait ...
EditorialSundial from Batavia, Square, tin plate with a composite protractor with Arabic and Roman numerals on the edge. Rosette decorations are engraved in the corners. In the middle, just above the 5.5 cm long slot, a son's disk with eyes, nose and mouth. Sig...
EditorialQuadrant, Two almost identical clinometers to measure the maximum slope of a swinging ship. Both are brass, mounted on a wooden back plate with the center of the bow at the top. The scale on the arc runs from 0 ? to 45 ? each side. The outer edge of th...
EditorialTwo Quadrants, Two almost identical clinometers to the maximum slope of a winding ship. Both are brass, mounted on a wooden back plate with the center of the bow at the top. The scale on the arc runs from 0 ? to 45 ? each side. The outer edge of the ar...
EditorialThe muse Urania, Figure of painted porcelain. The figure represents a woman (the Muse Urania), who holds a gilt compass in the left hand and holds a loose telescope in front of her left eye with the right. There is a celestial globe on her right, encas...
EditorialCommission for the Encouragement of the Maritime Service, Medal awarded to Dirk Waandert Engert, Silver Medal. Front: trident decorated with Batavian flag and laurel wreath lit by sun rays, at the foot of trident lie a rudder with a coat of arms, ancho...
EditorialProtractor, Brass conveyor or protractor in a wooden box. The radius of the protractor is 102 mm. The center of the arc is indicated with an iron needle and the instrument has an arm with a vernier on the arc. Two visors can be mounted on the arm. A lo...
EditorialSociety for the Improvement of the Working Stand in Amsterdam, Tin Medal. Obverse: woman in antique clothing, representing Industry, holding branch in raised left hand, around which bees swarm and in extended right hand laurel wreath above capital, wit...
EditorialModel of Lumley's Patent Rudder, Model of a rudder, rudder and parts of the keel, rear apostles and two decks, on a floorboard. It was once poorly restored. The stern has a heel and four rudder sets, the rudder king is round and extends to the upper de...
EditorialCelestial globe in wooden chair, Celestial globe in wooden chair. The chair has four legs, beneath a round profiled sheet with a short wooden axis in the middle in which a slit, in which copper protractor that surrounds the sphere, falls. At the top of...
EditorialGlobe in wooden chair made by G. Valck or Valk, The chair has four legs with round feet, here and there woodworm holes. The horizontal protractor is made of wood (broken in one place and a bar comes through the paper in another) and covered with paper....
EditorialQuadrant, Two almost identical clinometers to measure the maximum slope of a swinging ship. Both are brass, mounted on a wooden back plate with the center of the bow at the top. The scale on the arc runs from 0 ? to 45 ? each side. The outer edge of th...
EditorialDegree arc, Brass degree arc on a long spindle. Protractor shown on one side from 0-90, incomplete., anonymous, unknown, 1850 - 1900, brass (alloy), l 27.8 cm ? w 12.8 cm ? d 11.2 cm.
EditorialPocket nocturnal and astrolabe or Ren? Descartes, A Multifunctional Timepiece, Oval nocturlabium with hinged lid and swivel eyelet with carrying ring. Engraved on the lid 2 naked female figures (above) and 2 sphinxes (below). In addition, a rotating pr...
EditorialProtractor, Brass conveyor or protractor in a wooden box. The radius of the protractor is 86 mm. The center of the arc is indicated with an iron needle and the instrument has an arm with a vernier on the arc., J.M. Kleman & Zoon (mentioned on object), ...
EditorialParallel Rule with Protractor and Plotting Scale, 1796, Made in Newark, New Jersey, United States, American, Brass, wood, Rule: 12 x 1 3/8 in. (30.5 x 3.5 cm), Metal, Lebbeus Dod (1739?1816).