Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Model of Chambers' Signal Interlocking Frame
c.1912
Wooden model railway points
Knochenhauer spirals, 1963
1963
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
Model of Brunel's Disc and Crossbar Signal
c.1912
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephones, 1959
1959
Replica of Soemmerring's telegraph of 1809-12, 1964
1964
3 plans of the Science Museum's Southern Galleries
1908-1912
Plaster cast of mediaeval corbel in the roof of St. Martin's
1200-1500 (original)
Bromide print of Burrough's adding and listing machine
1925
Blaise pascal
1925
Photograph of engraving
1925
Photograph of engraving of "Mathematical Ring"
1925
Photograph of engraving of Napier's Bones
1925
First day cover and four stamps at 18
1987
Large Eruptive Prominence On The Sun
1916-05
Glass positive:- Large eruptive prominence
1916; 1929
Drawing of Lord Rosse's machine
1915
Reproduction of four Rayleigh Bird-calls
1931
Faraday electrolysis tube
1833
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
Centre-handle graver (from circulation collection)
1970-1975
Dot graver (from the Circulation collection)
1970-1975
Model of Ptolomy's triquetrum with perspex glazed cover
1972
Model of lithium atom, showing Bohr orbits
Transparency, 15"x12", Orion Constellation
1931
Glass positive:- Comet 1911 IV (Brooks)
1911
Glass positive:- Halley's Comet
1910
Glass positive:- Spectroheliogram
1926
Glass Positive:- Halley's Comet
1910
Halley's Comet
1910
Glass positive:- spectroheliogram
1926
Glass positive:- Comet 1911 IV (Brooks) H. Knox-Shaw
1911
Sectioned half-scale model of Eötvös torsion balance
1928
Platinotype print
1880
Glass positive:- Halley's Comet
1910
Animated diagram, N.P.L caesium atomic clock
1961
Enlarged model to show the principle of the knitting machine, made at the Science Museum
Scale model of Tycho Brahe's triquetrum
1973
Faraday's Earth inductor, 1851, replica
1851
Animated model of a Bohr-Rutherford Neon Atom
1960-1969
Model of the Orbit of Jupiter's eighth satellite
1914
Example of two-colour offset lithography, 1965-1980
1965-1980
The Four-stroke Cycle of a Petrol Motor
1912