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Produced by the MRC Biophysics Research Unit/Department of Biophysics, King's College London.

King's College London Department of Biophysics

KCL Department of Biophysics: glass and acetate slides ('quarter plates', 'whole plates' and 'half plates') relating to the work of the Medical Research Council (MRC) Biophysics Research Unit (KCL Department of Biophysics from 1964)

KCL Department of Biophysics: quarter plate series: slides of images relating to research conducted in the Biophysics Unit and subsequently Department of Biophysics

Photographic image referenced as a "Reflecting Microscope"

Photographic image referenced as "Reflecting Microscope"

Graph referenced as "Absorption spectra of purines, pyrimidines and nucleic acids"

Graph referenced as "Microphotometer recordings of thymine spectrum at room temperature and at 90 k [Kelvin]"

Schematic diagram referenced as "Absorption cell for low temperature studies"

Schematic diagram referenced as "Ultraviolet achromatic refraction objective 1.24 NA [numerical aperture]"

Diagram referenced as "Middle piece and tail of a ram spermatozoa"

Diagram referenced as "Head structure of ram spermatozoa"

Diagram referenced as "Circular scales for angle measurements"

Diagram referenced as "Circular dial 1-100"

Printed diagram referenced as "Generalized drawing of mammalian sperm"

Printed diagram captioned as "Drawings of different mammalian sperms"

Printed diagram of a transverse section of seminiferous tubule in a mammal referenced as "Mammalian sperm heads"

Printed diagram captioned as "Drawing of the stages of spermatogenesis in mammals"

Printed diagram captioned as "Drawing of the stages of spermatogenesis in guinea pigs"

Printed graph referenced as "Ethyl-alcohol in CCl4 [carbon chloride] layer 1mm (1-3) and 5mm (4-6)"

Printed graph referenced as "absorption spectrum of methyl alcohol in carbon tetrachloride solutions"

Table captioned as "Fine structure in ultra-violet absorption spectra of some purines, pyrimidines, amino acids, nucleosides etc. "

Microscopic image of cellular structure [no reference]

Ultra-violet absorption spectra image and path length recordings referenced as "Ultra-violet absorption spectra of para and ortho substituted phenols"

Ultra-violet absorption spectra and path length recordings referenced as "Ultra-violet absorption spectra of pyridine bases"

Ultra-violet absorption spectra image and path length recordings referenced as "The effect on the ultra-violet absorption spectrum of substituting an octyl group in the othro position to a hydroxyl group"

Microscope image referenced as "Effect of ultrasonics upon mitosis sticky chromosome bridges"

Graph showing ultra-violet absorption curves relating to the effect of ultrasonics on nucleic acids referenced as "Effect of ultrasonics in nucleic acids. U.V. Absorption curves"

Copy of J M M Pinkerton's paper, "On the Pulse Method of Measuring Ultrasonic Absorption in Liquids" in Proceedings of the Physical Society, Section B, Volume 62, Number 5, 1949.

Series of microscopic images of Tobacco Mosaic Virus (TMV) crystals referenced as "TMV crystals"

Photograph referenced as "Mechanical parts of reflecting objective"

Microscope image referenced as "Autoradiography of newt cells"

Copy of a photographic print referenced as "Accelerated flow method for rapid reactions"

Copy of a photographic print referenced as "Accelerated flow apparatus and amplifier"

Copy of a photographic print referenced as "Accelerated flow apparatus"

Graph referenced as "Ultra-violet absorption spectrum of nuclear sap"

Copy of a photographic print referenced as "Cassor double beam oscilloscope. Chassis from underneath"

Graph referenced as "Micro-photometer record across chick fibroblast and wedge"

Photographic image referenced as "Phase annali"

Microscopic image referenced as "Ferric oxide solution X13,000"

Microscopic image referenced as "Wyoming Bentonite. Large particle size x 13000"

Microscopic image referenced as "Wyoming Bentonite. Small particle size E.S.D. 15-20 mp"

Copy of a printed table of the structural data of minerals in clay referenced as "Structural data of minerals (Clay)"

Microscope image referenced as "Autoradiograph 28 day exposure"

Microscope image referenced as "Autoradiograph, newt normal 20 days"

Microscope image referenced as "Autoradiograph 5 days"

Microscopic image referenced as "Vanadium pentoxide solution aged x13,000"

Microscopic image referenced as "Vanadium pentoxide solution fresh x13,000"

Table referenced as "Reflecting objectives 0.18"

Photographic image referenced as "Interferogram 0.79 N.A. [numerical aperture] 33% [central obstruction] 0.21"

Photographic image referenced as "Interferogram 0.54 N.A. [numerical aperture] 35% [central obstruction] 0.24"

Photographic image referenced as "Tobacco mosaic virus (T.M.V.) 7 Interchanging bands"

Photographic image referenced as "Tobacco mosaic virus (T.M.V.) 12 Helical contour"

Schematic diagram referenced as "Amici component N.A. [numerical aperture] 1.4"

Microscopic image of unknown cellular structure [no reference].

Hand-drawn graph referenced as "Absorption curves for two constituents of chick fibroblast in tissue culture"

Diagram referenced as "Measuring grid"

Microscopic image referenced as "Mitotic cells in a chick"

Diagram referenced as "Microphotometer dial"

Schematic diagram referenced as "Diagram of apparatus. Optical paths"

Copy of a printed diagram of extinction curves in the ultraviolet absorption spectrum referenced as "Extinction curves"

Schematic diagram referenced as "Clocking system. Exposure times"

Graph referenced as "Microphotometer trace through a living cell"

Graph referenced as "Microphotometer trace at 312. Irradiation nuclei"

Graph referenced as "Microphotometer trace at 265. Irradiation nuclei"

Graph referenced as "Measurement of absorption in irradiated cells"

Graph referenced as "Measurements of absorption of a living irradiated cell"

Schematic diagram referenced as "Optical paths in apparatus"

Graph showing ultra-violet absorption curve referenced as "Extractions from bean root tips"

Graph referenced as "Ultra-violet absorption curve of in vitro and in root lip extract"

Diagram referenced as "Generalized diagram of mammalian sperm"

Diagram referenced as "Diagram of head of ram sperm"

Diagram referenced as "Diagram of middle piece transverse section R.S. 7"

Diagram referenced as "Diagram of middle piece of ram sperm. Longitudinal section"

Diagram referenced as "Diagram of head of ram sperm. Cross sections through tail and fibrils"

Diagram referenced as "Diagram of head of ram sperm showing axes of symmetry"

Microscope image referenced as "Ram spermatozoa paper. Plate I"

Microscope image referenced as "Ram spermatozoa paper. Plate II"

Microscope image referenced as "Ram spermatozoa paper. Plate III"

Microscope image referenced as "Ram spermatozoa paper. Plate IV"

Microscope image referenced as "Ram spermatozoa paper. Plate V"

Microscope image referenced as "Ram spermatozoa paper. Plate VI"

Copy of a printed diagram referenced as "Conductors and insulators"

Copy of a printed graph referenced as "Energy bonds in diamond"

Copy of a printed [autoradiograph] image referenced as "Some atomic orbitals for hydrogen"

Copy of a printed graph referenced as "Contours of ψ [psi] for a tetrahedral hybrid orbital of carbon"

Copy of a printed diagram referenced as "Typical metallic structures"

Copy of a printed diagram referenced as "On element of the diamond crystal"

Copy of a printed diagram referenced as "Carbon atoms 'prepared' for binding in the ethylene molecule"

Copy of a printed diagram referenced as "Building-up of energy bonds by repeated addition of one more atom"

Copy of a printed graph referenced as "Percentage ionic character in terms of electronegativity difference"

Copy of a printed diagram referenced as "The π [pi]-molecular orbitals in benzene"

Copy of a printed diagram referenced as "Localized molecular orbitals for water H2O"

Copy of a printed graph referenced as "Rectangular aperture"

Diagram referenced as "Hoogsteen [DNA base pair] for Science Progress"

Diagram referenced as "Watson Crick [DNA base pair] for Science Progress"

Diagram of a projection and diagram of a phthalocyanine molecule referenced as "Phthalocyanine [Vouvers]"

Copy of a printed image referenced as "Circular aperture"

Copy of a printed image referenced as "[Fresnel] photography"

Copy of a printed diagram referenced as "Rectangular aperture"

Copy of a printed diagram referenced as "Abbe theory of microscope"

Copy of a printed diagram referenced as "Diffraction from circular apperture"

Copy of a printed diagram referenced as "Diffr. [diffraction] from urine"

Copy of a printed diagram referenced as "Addition of e.m. wave vectors"

Copy of a printed graphs referenced as "Diffr. Grating [linitch] of lines ( 2 to 6)"

Copy of a printed diagram referenced as "Circular aperture-Vressel theory"

Copy of a printed diagram referenced as "Abbe theory of microscopes"

Diagram referenced as "General [2] aperture"

Copy of a printed graph representing the geometry of a Cornu spiral referenced as "Cornu spiral"

Copy of a printed image of optical diffraction patterns referenced as "'Thermal' disorder in [2] arrays"

Copy of a printed diagram representing electro-magnetic waves referenced as "E.M. waves"

Copy of a printed image of diffraction pattern referenced as "Straight edge diffr."

Graph referenced as "Hydrodynamic studies in SRNA Fragments 1"

Graph referenced as "Hydrodynamic studies in SRNA Fragments 2"

Graph referenced as "Hydrodynamic studies in SRNA Fragments 3"

Graph referenced as "Hydrodynamic studies in SRNA Fragments 4"

Graph referenced as "Hydrodynamic studies in SRNA Fragments 5"

Graph referenced as "Hydrodynamic studies in SRNA Fragments 6"

Section of a Fourier map referenced as "Fourier paper fig 1a"

Section of a Fourier map referenced as "Fourier paper fig 1b"

Section of a Fourier map referenced as "Fourier paper fig 2a"

Section of a Fourier map referenced as "Fourier paper fig 2b"

X-ray diffraction exposure referenced as "X-ray 3529"

X-ray diffraction exposure referenced as "X-ray 3570"

X-ray diffraction exposures referenced as "X-ray 3602"

X-ray diffraction exposure referenced as "X-ray 3607"

X-ray diffraction exposure referenced as "X-ray 4040"

X-ray diffraction exposure referenced as "X-ray 4043"

X-ray diffraction exposure referenced as "X-ray 4049"

X-ray diffraction exposure referenced as "X-ray 4050"

X-ray diffraction exposure referenced as "X-ray 4088"

X-ray diffraction exposure referenced as "X-ray 4106"

Diagram of a Fourier map of A-type DNA referenced as "Fourier synthesis of A DNA"

Molecular diagram referenced as "Projection of DNA ethidium model EDI down the helix axis"

Molecular diagram referenced as "Projection of DNA ethidium model perpendicular to helix axis"

Graph referenced as "Calculated diffr.[action] For the DNA ethidium complex model EDI"

Diagram referenced as "Chemical structure of ethidium and proflavine"

Copy of a printed photograph of an x-ray diffraction exposure of Li-DNA [Lithium salt DNA] with proflavine referenced as "Leimans: X-ray diffr. Patt. DNA-Proflavine"

Copy of a printed photograph of an x-ray diffraction exposure of Li-DNA [Lithium salt DNA] referenced as "Leimans: X-ray diffr. Patt. From DNA"

X-ray diffraction exposure referenced as "4134 x"

X-ray diffraction exposure referenced as "4132 a x"

X-ray diffraction exposure referenced as "4198"

X-ray diffraction exposure referenced as "4199"

Molecular diagram of DNA base pairs [Watson-Crick] referenced as "A/T. G/C bases W. Crick, Hoogsteen, Donohue"

Series of molecular diagrams of DNA base pair models referenced as "A/T. G/C bases W. Crick, Hoogsteen, Donohue"

Comparison of molecular diagrams of Hoogsteen DNA base pair and the Watson-Crick DNA base pairs referenced as "A/T pairs Hoogsteen, W.Crick"

Molecular diagram of Watson-Crick DNA base pairs referenced as "A/T, G/C pairs W.Crick"

Molecular diagram of Watson-Crick DNA base pairs referenced as "A/T, G/C pairs Hoogsteen"

Molecular diagram of Donohue DNA base pairs referenced as "A/T. G/C pairs Donohue"

Diagram of Fourier map sections of DNA bases referenced as "HI Po, Δ [delta]P, Δ [delta]P + H, C bases"

Diagram of Fourier map sections of DNA bases referenced as "Δ [delta]P (HI) with HI and BIII"

Molecular diagram of DNA base pair referenced as "Donohue average base pair"

Diagram referenced as "Determination of phase in isomorphous replacement method"

X-ray diffraction exposure referenced as "4006 x Li DIVA"

X-ray diffraction exposures referenced as "4028 x"

Graph referenced as "N (z) test on Li DNA [lithium salt DNA]"

Graph referenced as "N (z) test on Na DNA [sodium salt DNA]"

Graph captioned as "Intensity distribution in Li DNA [lithium salt DNA] diffraction"  referenced as "N (z) test on Na DNA [sodium salt DNA]"

Diagram of a Fourier map referenced as "Δ [delta]P (Δ [delta]I) Poly region"

Photograph of a crab referenced as "CRAB 1,2,3"

Graph referenced as "Hypochromism of DNA"

Microscope image referenced as "Sheep Liver Glucose and Fructose"

Microscope image referenced as "Sheep L. Intestine Glucose"

Microscope image referenced as "Sheep Heart Fructose"

Microscope image referenced as "Sheep Heart Glucose"

Copy of a printed diagram referenced as "Representation of the wave function for the ground state of a hydrogen atom"

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Copy of a printed diagram referenced as "Representation of the wave function for the ground state of a hydrogen atom"

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