Letter opener with calendar and map, 1893-1894
1893-4
Gold amulet in the form of a cobra
2000-100 BCE
Replica of the first Morse telegraph, 1835
1934
Model Draw Door Weir, 1872
1872 (original); 1909 (model)
Novelty model
1955; 1830
Facsimile 1865 homemade telephone, 1888
1888
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
Freud electronic laughing ball
1990-96
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
'Wagon' Boiler, 19th Century
1801-1840 (original); 1901 (model)
Neolithic flint scraper
4000-2001 BCE
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
steam engine
1887
Graphophone record cylinder
1887
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
Plano-convex brick, Ubaid, Iraq, c 2500 BC.
2500 BCE
Brass saccharometer by R.B. Bate
1915-1825
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Uterine probe
1901-950
Lever watch in pair case with crank roller
1800-1830
Cylinder watch in case with thin horizontal movement
1801-1850
Lever watch in case
1800-1830
Model of Henry Cavendish's Torsion Balance Gravitational Apparatus, 1798
1798 (original); 1977 (model)
Bust on wooden base of Andrew Ross
1859; 1986
Viewer microscope, with bead lens, in square body
1888-185
NEMA cryptography machine type T-D
1945-50
Receipt with letter heading. Arnold & Sons
1887
James N. Routledge
1887
Resistance by Herbert Taylor 1887
1887
Specimen of steel produced by the Basic or Thomas-Gilchrist process
1887
Rigged model of the "Cutty Sark"
1900-1933 (model); 1869 (original)
Excavated neolithic flint perhaps used for trephination
3000-1500
Specimen of steel produced by the Basic or Thomas-Gilchrist process
1887
Specimen of steel produced by the Basic or Thomas Gilchrist process
1887
Specimen of steel produced by the Basic or Thomas Gilchrist process
1887
copy of a gold cup.
3000-2000 BCE
Specimen of steel produced by the Basic or Thomas-Gilchrist process
1887
Mousetrap Camera
1834-1836
Iron Weight
1910-130
Reversible axe on adze, green stone blade, North Papua (Astrolabe Bay)
2000 BCE
Bronze prize medal awarded by Vienna Academy of Medicine and Surgery
1832-1850
Rectangular alloy medal
1887
Copper medal to commemorate the 82nd birthday of Dr. Burggraeve
1887
Copper medal to commemorate C.H.D.B. Ballot
1887
Rectangular bronze plaque commemorating Dr. Leon Gosselin
1887
Bronze medal
1887