Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778

1778

Section of lightning conductor from St Paul’s cathedral

1769

Gold amulet in the form of a cobra

2000-100 BCE

Watt's end measuring machine

1776

Spoon with folding handle

1778

Expedition Crane

1764

Mural arc made for King George III

1770

Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780

1776-1780

Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780

1776-1780

Wax male figure showing the muscles of the body

1776-1780

English wooden doll

circa 1780

Freud electronic laughing ball

1990-96

Mezzotint: Portrait of John Arnold

1770

Arkwright's Water Frame

1775

Wood moulding plane, dated 1771

1771

Arkwright's prototype spinning machine, 1769.

1769

Arkwright's Water Frame, 1775

1775

Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement

1705-1737

Silver microscope by George Adams, c. 1761.

1763

Mezzotint portrait of John Bird

1776

Octagonal wooden telescope with slot down one side and moveable eyepice

1772-1773

Engraving of a demonstration to compare lightning conductor designs

1778-1780

Magnetic toy by George Adams

1765

Achromatic doublet lens with a focal length of 52 inches

1780

Atmospheric Engine by John Smeaton, 1772

1772 (original); 1919 (model)

Wax male anatomical figure

1776-1780

Wax male figure showing the muscles and bones of the body, Florence, Italy, 1776-1780

1776-1780

Neolithic flint scraper

4000-2001 BCE

Viewer microscope, with bead lens, in square body

1888-185

Empty wooden case, varnished, inscribed H.L.1772

1772

Glass Prism (c.1770-80)

1770-1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Six's maximum and minimum thermometer

1780

Silver medal to commemorate a storm off the Dutch coast

1775

Silver medal

1771

Silver medal to commemorate the recovery of the Empress Maria Theresa

1767

Circular gold(?) medal, awarded to I. Ponsonby as

1765

Bronze medal to commemorate F.H.W. Martini (1729-1778)

1777

Alabaster kohl pot

2000-1350

De Luc whalebone hygrometer by Hausmann, 1781.

1781

Six-fold linear measure, bone, Spanish, 1776

1776