Model of Chambers' Signal Interlocking Frame
c.1912
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Knochenhauer spirals, 1963
1963
Wooden model railway points
Model of Brunel's Disc and Crossbar Signal
c.1912
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Photograph of an engraving of the astronomer, Tycho Brahe
1596
Drawing of suspension for Foucault's pendulum (1) Foucault's method (2) Science Museum
1917
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephones, 1959
1959
Examples of two-colour offset lithography, 1965-1980
1965-1980
Faraday's specific inductive capacity apparatus, 1837, replica
1837
Copies of the Joule calorimeter
1800-1899
Animated diagram, N.P.L caesium atomic clock
1961
Faraday electrolysis tube
1833
Model of lithium atom, showing Bohr orbits
Enlarged model to show the principle of the knitting machine, made at the Science Museum
Photograph of Karl Benz
circa 1885
Sectional drawing of the cylinder of Trevithick's model locomotive
1890
Mechanical-advantage demonstration with pulley block and weight.
1932
Mechanical-advantage demonstration with pulley block and weight.
1932
Drawing of curves to be placed under Boys' curve-drawing integrator
1917
Glass Positive of Hubble’s Classification of ‘Nebulae’
1930
Centre-handle graver (from circulation collection)
1970-1975
Dot graver (from the Circulation collection)
1970-1975
Scale model of Tycho Brahe's triquetrum
1973
Model of Ptolomy's triquetrum with perspex glazed cover
1972
Foucault pendulum explanatory exhibit.
1972
Faraday's Earth inductor, 1851, replica
1851
Animated model of a Bohr-Rutherford Neon Atom
1960-1969
Glass positive:- Jupiter
1915
Glass positive:- Saturn
1909-1921
Model of the Orbit of Jupiter's eighth satellite
1914
Glass positive:- Saturn
1927
Glass positive:- Jupiter
1927
Glass positive of Pluto discovery
1930
Transparency, 15"x12", Orion Constellation
1931
Transparency, 15"x12", Orion Nebula
1931
Glass positive:- Comet 1911 IV (Brooks)
1911
Glass Positive:- Halley's Comet
1910
Glass positive:- Halley's Comet
1910
Glass positive:- spiral Nebula in Libra
1929
Glass positive:- Spectroheliogram
1926
Glass Positive:- Halley's Comet
1910
Halley's Comet
1910
Glass positive:- Spiral Nebula
1907
Glass positive:- spectroheliogram
1926
First day cover and four stamps at 18
1987
offset lithographs
1965-1980