Moby

Pocket compendium dial of gilt-brass, with sundial, compass, nocturnal, latitude list and calendar combined, made by Humphrey Cole, London, England, 1575

Set of Napier's bones of wood, invented by John Napier of Merchiston for the purpose of performing mechanically the operations of multiplication and division, in original box, 18th century

Silver catadioptric pocket microscope invented and made by John Clark, Edinburgh, 1751

Microscope case with a hinged lid, of black shagreen covered wood, by John Clark, Edinburgh, 1751

Bryson's comparative thermometer with quadruple graduations on a porcelain scale, Edinburgh, c. 1850

Nicol prism, analysing prism made of two pieces of Iceland spar (trigonal crystal calcite) cemented together with Canada balsam, the prism makes use of the double refracting qualities of Iceland spar to form an optical filter for polarising light, by William Nicol, Edinburgh, Scotland, circa 1850

Sample of liquefied carbonic acid gas, made by Kenneth T. Kemp of Edinburgh, 1830

Stoneware pyrometer with pyrometric clay cylinders in a wooden box, by Josiah Wedgwood and Sons, c. 1800, one of a collection of specimens illustrating the manufacture of Wedgwood pottery from Etruria, Staffordshire, given by Josiah Wedgwood & Sons in 1856

Geological model of carved wood, "I: Denudation of Strata", layers of strata are depicted using different colours and types of wood, in two parts, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, "II: Newcastle Coal Seams", layers of strata are depicted using different colours and types of wood, originally in two parts, one part missing, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, "III: Dislocation of Strata in Carboniferous Rocks", layers of strata are depicted using different colours and types of wood, originally in four parts, one part missing, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, ''IV: Surface Indications of Coal", layers of strata are depicted using different colours and types of wood, in two parts, display plinth is missing, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, "V: Dislocation of Coal Strata", layers of strata are depicted using different colours and types of wood, in two parts, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, '"I: Horizontal Strata Intersected by mineral veins or Lodes", layers of strata are depicted using different colours and types of wood, originally in two parts, one part and display plinth missing, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, "VIII: Overcut Strata", layers of strata are depicted using different colours and types of wood, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857

Geological model of carved wood, "IX: Undercut of Strata", layers of strata are depicted using different colours and types of wood, mounted on wooden display plinth, made for the Industrial Museum of Scotland, by Thomas Sopwith, Newcastle, England, 1857