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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"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 98% [relative humidity] 1263"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 75% [relative humidity] 1370"

Composite image of x-ray diffraction exposures referenced as "Nucleoprotamine and DNA streaks"

X-ray diffraction exposure referenced as "Luzzatti's nucleohistone photographs"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 32% [relative humidity] 1373"

X-ray diffraction exposure of erythrocyte nuclei referenced as "Wet erythrocyte nuclei"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 98% [relative humidity] 750"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone dry 740"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 92% [relative humidity] 1387"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone 92% [relative humidity] 1376"

Diagram of lithium (Li) salt B-type DNA referenced as "DNA Li B reciprocal space diagram"

X-ray diffraction exposure of nucleohistone referenced as "Nucleohistone KBr"

Histogram relating to DNA referenced as "DNA transform B32"

X-ray diffraction exposure of nucleohistone referenced as "Good nucleohistone 75% [relative humidity] 574"

"Bernal chart for tilted fibre"

X-ray diffraction exposure referenced as "Sphingomyelin oriented"

X-ray diffraction exposure of nucleohistone referenced as "Powet nucleohistone 260"

X-ray diffraction exposure of nucleohistone referenced as "Best picture nucleohistone 98% [relative humidity] 1375 ?"

Composite image of x-ray diffraction exposures of histone and nucleohistone referenced as "Histone and nucleohistone x-ray rings"

Histogram relating to DNA referenced as "DNA Lysine 2 Transform"

Histogram relating to DNA research referenced as "Protamine 3 Transform"

Section of a Fourier map referenced as "Fourier synthesis BF 8"

X-ray diffraction exposure referenced as "505 Microsonal particle. 98% R.H. [relative humidity] 1587"

X-ray diffraction exposure referenced as "505 Microsonal particle. Dry. 1590"

X-ray diffraction exposure referenced as "Histone showing strong inner ring. 32% R.H. [relative humidity] 1756"

"Structure of DNA nucleotide shown projected own planes perpendicular to the helix and to a diad axis in the molecule"

Section of a Fourier map referenced as "Sample Fourier sections. Difference and FO" .

X-ray diffraction exposure of B-type DNA referenced as "B picture higher layer lines w/ 132 ll"

Copy of a printed image referenced as "The appearance of a point object due to the presence of astigination and coma"

Copy of a printed image referenced as "Distortion in a lens system causes straight lines to appear curved"

Copy of a printed image referenced as "Curvative of field. The center is sharply focused the periphery is out of focus"

Copy of a printed molecular diagram referenced as "Representative amino acids"

Copy of a printed table referenced as "Relative number of molecules of the various types of protoplasmic materials"

Molecular diagram relating to DNA base pairs referenced as "Hydrogen bonded Watson-Crick base pairs. After Spencer."

Graph referenced as "B paper-scattering factors"

Diagram of two chains within DNA referenced as "B-paper-2 chains in DNA"

Diagram relating to the structure of a helix referenced as "B-paper-helix diagram"

Schematic diagram of a camera referenced as "Camera diagram"

Diagram of a Fourier map relating to B-type DNA referenced as "B-transform-zero layer plane"

Diagram of a Fourier map relating to B-type DNA referenced as "B-transform-6th layer plane"

Diagram of molecular arrangement in B-type DNA referenced as "B packing projection"

X-ray diffraction exposure of nucleoprotein referenced as "98% [relative humidity] nucleoprotein. Film 1460"

X-ray diffraction exposure of nucleohistone referenced as "35A° [degrees] oriented nucleohistone"

X-ray diffraction exposure of nucleoprotamine referenced as "Nucleoprotamine dry"

X-ray diffraction exposure of protamine referenced as "Protamine 11 sheet"

X-ray diffraction exposure of nucleoprotamine referenced as "Nucleoprotamine [98% relative humidity]"

Electron microscope image referenced as "Sperm e.m."

Electron microscope image referenced as "Amoeba chromosomes"

Electron microscope image referenced as "Halls e.m. DNA."

Autoradiograph image referenced as "Taylor autoradiograph"

Electron microscope image referenced as "100A° [degrees] fibrils"

Electron microscope image referenced as "Kellenberger"

Copy of a printed diagram referenced as "Bacterial linkage group"

X-ray diffraction exposure of histone referenced as "75% [relative humidity] histone sheet"

X-ray diffraction exposure of nucleohistone referenced as "Dry nucleohistone"

Composite image of x-ray diffraction exposures of nucleohistone referenced as "I + II nucleohistone sheet"

Composite image of x-ray diffraction exposures referenced as "Copolymerand DNA"

X-ray diffraction exposure referenced as "TYMV dry"

Electron microscope images referenced as "Sperm e.m."

Electron microscope image referenced as "100A° [degrees] Fibrils"

Electron microscope image referenced as "Mojis chromosomes"

X-ray diffraction exposure referenced as "TYMV"

Photograph of DNA space-filled molecular model referenced as "DNA Courtauld model"

Photograph of DNA space filled molecular model referenced as "DNA Courtauld model"

Composite of x-ray diffraction exposures of RNA and DNA referenced as "RNA unoriented DNA composite print"

Diagram relating to the molecular arrangement of RNA referenced as "RNA 5 projections no parameters"

X-ray diffraction exposure of A-type DNA referenced as "Unoriented DNA 1879 A"

X-ray diffraction exposure of RNA referenced as "Soluble RNA 1874 Α [alpha] 92% [relative humidity]"

X-ray diffraction exposure of B-type DNA referenced as "DNA B 30th layer line"

Diagram relating to the molecular arrangement of a strand of DNA referenced as "Part of a single DNA strand"

Diagram relating to the structure of DNA referenced as "New DNA Wall paper"

X-ray diffraction exposure referenced as "Microsomal protein 1706 B"

X-ray diffraction exposure referenced as "Microsomal RNA (denatured) 75% [relative humidity] 1723 ?"

X-ray diffraction exposure of B-type DNA referenced as "B pattern 20th layer line"

Diagram relating to the structure of DNA in Watson-Crick base pairs and Pauling base pairs referenced as "Watson/Crick-Pauling pairs"

Diagram relating to the structure of DNA in Donohue base pairs referenced as "Donohue pairs"

Diagram relating to the structure of DNA in Pauling base pairs referenced as "Pauling base-pairs"

Histogram relating to DNA/RNA research referenced as "RNA/DNA transform Model 5"

Diagram showing stereochemistry of RNA referenced as "RNA Projections Model 5"

Table referenced as "Comparison of DNA labelling and cell division in the seminal vesicle and oesophagus of mice"

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Table referenced as "Comparison of DNA labelling and cell division in the seminal vesicle and oesophagus of mice"

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