Telescope by Galileo (replica)
1610; 1923
Original preparation of quinine by Pelletier and Caveton
1820
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
Conjectural model of Trevithick's locomotive 'Catch-me-who-can'
1808
Freud electronic laughing ball
1990-96
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model, of Woolf's Water Tube Boiler, 1819
1819
'Dr Syntax and his wife making an experiment in pneumatics', print, London, England, 1820
1820
East Indiaman Herefordshire
1815
Gold amulet in the form of a cobra
2000-100 BCE
Neolithic flint scraper
4000-2001 BCE
Five wooden molecular model balls
circa 1810
Copy of Chamberlen obstetric forceps
1813
Silver ear trumpet hearing aid, London, England, 1814
1814
Oval snuff box, England, 1807
1807
Chemical Lectures
circa 1810
Piston and Rod, from Newcomen Pumping Engine 'Old Sarah'
1815
Gold watch by John Gibson, Royal Exchange
1808
Sample of gutta percha insulated cable, 1863-7
1863-7
Model, press for cutting out coin blanks
circa 1808
Automaton watch by Jean Robert Soret
1812
Eight-day marine chronometer by Barrauds, London
1816
Sunderland ware jug decorated with pink lustre bands and splashes
1813
Silver vinaigrette with hinged lid
1809
Letter opener with calendar and map, 1893-1894
1893-4
Quarter-repeating gold watch by Abraham-Louis Breguet
circa 1808
Magic lantern slide showing a baker, the devil and fair weights and measures
circa 1820
Slide rule for exchange of weights and measures
1815
Gold watch by Robert Roskell
1814
Hedley's experimental model for testing adhesion.
1812
Silver Regency tripod mustard pot
1811-1812
Gold watch by Recordon
1807
Gold watch with spring detent escapement by Ellicott and Taylor
1815
Cylinder electrical machine, 1810-1817
1810-1817
Ready reckoner for ship's cargoes
1807
A Royal watch by Samuel Houston
1807
Stipple-engraved portrait of Benjamin Martin
1815
Gold watch with the owner's name in place of hour numbers, by William Hardy
1820
Gold and enamel half-quarter repeater watch by Brockbanks
1812
Plaster cast of Matthew Boulton
1809
Herschel, William, head and shoulders
1808
Reproduction in wood. No 127
1808
Reproduction in wood, Dr Joseph Black
1809
Portrait bust of James Watt
1807
One large jar: “Fresh plaster B Apl. Ist. 1818”
1818
Grave marker, grave '221'
1860-1920
Wood model of lion's head
1809
Part of electrostatic telegraph, 1816
1816
Castlereagh cabinet for weights
1815-1818