Demainbray's Archimedean screw
1752
Pocket microscope by Jeremiah Sisson
1752
Etching of an electrically powered garden
1755
Clarke's Hydrometer (c. 1755)
1755
Square signed "J.Ramsden, 1757"
1757
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Cutter, Alert
1755
Watch with double dial
1760
Gold amulet in the form of a cobra
2000-100 BCE
Freud electronic laughing ball
1990-96
Cutter, Alert
1755
Neolithic flint scraper
4000-2001 BCE
Model diving bell with 12 sinking weights
before 1753
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Demainbray's convex mirror
1752
Model of Hooke's universal joint
1760
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's four wheeled wagon model
1751
Demainbray's model of a camera obscura
1752
Pedometer by Benjamin Grey
1755
Quarter-repeating watch by Thomas Mudge
1755
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Telescope by Galileo (replica)
1610; 1923
Copy of Lodestone believed to have been used by Queen Anne
1929 (copy); 1702-1714 (original)
Copy of Roman artificial leg, London, England, 1905-1915
300 BCE; 1905-1915
Model of Persian wheel with chain of pots
1754
Two oil paintings of armed Cutter "Alert" (1753-4) each in gilt frames (bow and stern views)
1753-1754
Wooden model consisting of water wheel and treadmill in common frame
1753
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Tubes for the whirling table
1753
Ancient Egyptian flint saw, replica
circa 3000 BCE
Prior Park, the Seat of Ralph Allen, Esqre, near Bath
1752
Portrait print from etching of Gowin Knight, 1751
1751
Reversible axe on adze, green stone blade, North Papua (Astrolabe Bay)
2000 BCE
Silver medal commemorating Charles Alexander Loth
1756
One cinquina
1752
Medal, copper of Dean Jean-Baptiste Louis Chomel
1756
Brass medal
1758
Medal, bronze, of Dean Hy. Theod (Baron) of Faculty of Medicine
1751
Bronze prize medal
1758
Circular silver medal
1756
Bronze medal
1759
Readed silver medal
1751