Crick and Watson's DNA molecular model

Biochemistry

1953

Reconstruction of the double helix model of DNA, using some of the original metal plates, by Francis Crick and James Watson, England, 1953

Molecular model of penicillin by Dorothy M Crowfoot Hodgkin, England, 1945

Biotechnology

1945

Penicillin; molecular model by Dorothy Hodgkin, ca. 1945.

Molecular model showing the structure of insulin

Biotechnology

1967

Model, one of two, made by Dorothy M. Crowfoot Hodgkin c.1967, to show the structure of 2 zinc pig insulin crystals at a resolution of 2.8A

Five wooden molecular model balls

Scientific Instruments & Research

c. 1810

Molecular model formed of five wooden balls, made by Peter Ewart of Manchester, c.1810, and used by John Dalton for demonstrating his atomic theory, c, 1810-1842.

Templates from Crick and Watson's DNA molecular model

Biochemistry

1953

Metal plate representing the base adenine (A). Used in the original Crick and Watson DNA model.

Templates from Crick and Watson's DNA molecular model

Biochemistry

1953

Metal plate representing the base thymine (T). Used in the original Crick and Watson DNA model.

Vitamin B12 crystal structure model, 1957-1959.

Experimental Chemistry

1957-1959

Two models showing crystal structures of:- (1) Vitamin B12 wet crystals; (2) Vitamin B12 hexacarbocylic acid fragment, unsigned, England, 1957-1959

Set of four models illustrating Van't Hoff's theory of the asymmetric carbon atom

Experimental Chemistry

1920-1925

Set of four models illustrating van't Hoff's 1874 theory of the asymmetric carbon atom: two with black molecules inscribed with periodic table elements at each corner, and two with different coloured molecules at each corner, by Science Museum Workshops, South Kensington, London, England, 1920-1925

Stereochemical models of fumaric and maleic acids

Experimental Chemistry

1920-1924

Stereochemical models of fumaric and maleic acids. Constructed in Museum.

Herrmann's model of space formulae for Benzene

Experimental Chemistry

Model of space formulae for Benzene; Herrmann's formulae

crystal structure model, prism

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model, prism. One of fourteen glass models of crystal shapes.

Model of space formulae for Benzene

Experimental Chemistry

Model of space formulae for Benzene; Ladenburg's formulae

Collie's Benzene Molecule Model, 1912-1914

Experimental Chemistry

1912-1914

Collie's model of benzene molecule, by Baird & Tatlock (London) Ltd., 1912-14. Wood and wire frame braced with coil springs on cast iron base.

crystal structure model of carbonate of lime

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model of carbonate of lime, rhomboid inside acute pyramidal dodecahedron. One of fourteen glass models of crystal shapes.

Three Werner's models illustrating racemization

Experimental Chemistry

1920-1924

Three Werner's models illustrating racemization, by Science Museum Workshops, South Kensington, London, England, 1920-1924

crystal structure model, Macled octahedron

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model, Macled octahedron. One of fourteen glass models of crystal shapes.

Sachse's model of space formulae for Benzene

Experimental Chemistry

Model of space formulae for Benzene, Sachse's formulae

crystal structure model of quartz

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model of quartz, obtuse rhomboid. One of fourteen glass models of crystal shapes.

Vaubel's model of space formulae for Benzene

Experimental Chemistry

Model of space formulae for Benzene, Vaubel's formulae

Graebe's model of space formulae for Benzene

Experimental Chemistry

Model of space formulae for Benzene, Graebe's formulae

crystal model, octahedron inside cube

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model, octahedron inside cube. One of fourteen glass models of crystal shapes.

crystal structure model of fluor spar

Experimental Chemistry

1812-1900

Glass and passe-partout crystal structure model of fluor spar, octahedron inside acute rhomboid. One of fourteen glass models of crystal shapes.

Molymod molecular model of D-glucose sugar, 1986

Biochemistry

Molymod molecular model of D-glucose sugar, by Spiring Enterprises, W. Sussex, 1986.

Model illustrating s orbitals in molecular orbital theory and crystal field theory

Experimental Chemistry

1981

Model illustrating orbitals in molecular orbital theory and crystal field theory made by Crystal Structures Ltd., 1981.

Model illustrating molecular orbital theory and crystal field theory

Experimental Chemistry

1981

Model illustrating molecular orbital theory and crystal field theory, by Crystal Structures Limited, Bottisham, Cambridgeshire, England, 1981

Molymod molecular model of D-ribose sugar, 1986

Biochemistry

Molymod molecular model of D-ribose sugar, by Spiring Enterprises, W. Sussex, 1986.

Model illustrating orbitals in molecular orbital theory and crystal field theory made by Crystal Structures Ltd.

Experimental Chemistry

1981

Model illustrating orbitals in molecular orbital theory and crystal field theory made by Crystal Structures Ltd., 1981.

Molymod molecular model of Sucrose sugar, 1986

Biochemistry

Molymod molecular model of Sucrose sugar, by Spiring Enterprises, W. Sussex, 1986.

Model illustrating molecular orbital theory and crystal field theory

Experimental Chemistry

1981

Model illustrating molecular orbital theory and crystal field theory, by Crystal Structures Limited, Bottisham, Cambridgeshire, England, 1981

Model illustrating orbitals in molecular orbital theory and crystal field theory made by Crystal Structures Ltd.

Experimental Chemistry

1981

Model illustrating orbitals in molecular orbital theory and crystal field theory made by Crystal Structures Ltd., 1981.

Model illustrating molecular orbital theory and crystal field theory

Experimental Chemistry

1981

Model illustrating molecular orbital theory and crystal field theory, by Crystal Structures Limited, Bottisham, Cambridgeshire, England, 1981

Model illustrating molecular orbital theory and crystal field theory

Experimental Chemistry

1981

Model illustrating molecular orbital theory and crystal field theory, by Crystal Structures Limited, Bottisham, Cambridgeshire, England, 1981

Glass and pass-partout crystal shape model

Experimental Chemistry

1812-1900

Glass and pass-partout crystal shape model, 4 of 14, of unidentified crystal, unsigned, British, 1812-1813

Glass and pass-partout crystal shape model

Experimental Chemistry

1812-1900

Glass and pass-partout crystal shape model, 1 of 14, of cube inside octahedron, unsigned, British, 1812-181

Set of Eiloart's solid formulae models

Experimental Chemistry

Set of Eiloart's solid formulae models with three stands.

Vitamin B12 wet crystal structure model

Experimental Chemistry

1957-1959

Molecular model showing structure of Vitamin B12 wet crystals, unsigned, England, 1957-1959

Glass and pass-partout crystal shape model

Experimental Chemistry

1812-1900

Glass and pass-partout crystal shape model, 2 of 14, of octohedron inside prism, unsigned, British, 1812-1813

Glass and pass-partout crystal shape model

Experimental Chemistry

1812-1900

Glass and pass-partout crystal shape model, 3 of 14, of 6-sided prism inside triangular dodecahedron, labelled ‘vitreous copper’, unsigned, British, 1812-1813

Molecular model of 2.2'dibromobiphenyl

Experimental Chemistry

Molecular model of 2.2'dibromobiphenyl, painted wood, on wood base, believed to be 1950's.

Pauling's incorrect triple helix model of the structure of DNA

Experimental Chemistry

Pauling's incorrect triple helix model of the structure of DNA (proposed in 1952) built of CPK (Corey-Pauling-Koltun) atomic in 1976

Model of tobacco mosaic virus structure

Experimental Chemistry

Model of tobacco mosaic virus structure, after Franklin and Klug