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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"

Composite x-ray diffraction exposure of DNA referenced as "Li [lithium], Na [sodium], K [potassium] & Rb [rubidium] DNAs at 92% R.H. [relative humidity]"

X-ray diffraction exposure of DNA referenced as "Film 745"

X-ray diffraction exposure of nucleohistone referenced as "N. Hist. (nucleohistone] after 1M Na Cl"

X-ray diffraction exposure of DNA referenced as "Mouse embryo DNA"

X-ray diffraction exposure of DNA referenced as "Chick erythrocyte DNA"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "Film 751 Li-C picture"

X-ray diffraction exposure of nucleohistone referenced as "Film 746 N.Hist. at 98% R.H. [relative humidity]"

Chromatogram referenced as "Glycerophosphate from Minsky nucleohistone"

Chromatogram referenced as "Whole molecule lipid chromatogram (ninhydrin)"

Chromatogram referenced as "Choline from Minsky nucleohistone"

Chromatogram referenced as "Choline from Zubay nucleohistone. Material which did not dissolve in KOH"

Chromatogram referenced as "Whole molecule lipid chromatogram (choline)"

Chromatogram referenced as "Choline. McKibbin Taylor procedure"

Chromatogram referenced as "Glycerophosphate from Zubay nucleohistone. Material which did not dissolve in KOH"

Chromatogram referenced as "Choline. Precipitate from KOH hydrolysate of Zubay nucleohistone"

Chromatogram referenced as "Glycerophosphate. Precipitate from KOH hydrolysate of Zubay nucleohistone"

Chromatogram referenced as "Glycorophosphate. McNibbin Taylor procedure"

Table referenced as "New DNA as indicated by labelling divided by the increase in DNA as indicated by cell proliferation"

Table referenced as "Some properties of fractions of calf thymus DNA obtained by chromatography on histone-cellulose"

Table referenced as "The formation of phage-related proteins in protoplast ghosts induced by T2 DNA preparation"

Graph referenced as "Elution of pneumococcus DNA with streptomycin-resistance transforming activity from histone with NaCl"

Table referenced as "Effects of T2 bacteriophage DNA preparation on the incorporation of carbon-14 labelled L-isoleucine into the proteins of Escherichia coli" protoplast ghosts.

Table referenced as "Properties of the fractions of T2 bacteriophage DNA"

Table referenced as "DNA and protein synthesis in some sub-cellular systems"

Graph referenced as "Elution of T2r bacteriophage DNA from a cellulose-histone column"

Typescript text relating to scientific methodology referenced as "purification of T2 DNA"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "Li DNA C form 66% [relative humidity] Film 798"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "Li DNA B 66% [relative humidity] Film 874"

X-ray diffraction exposure of nucleohistone referenced as "Wet fibre nucleohistone"

X-ray diffraction exposure of lithium (Li) salt DNA referenced as "L110 Li DNA 92% [relative humidity]"

X-ray diffraction exposure of lithium (Li) DNA referenced as "L60 tilted Li DNA Micro"

X-ray diffraction exposure of lithium (Li) salt DNA referenced as "L59 Li DNA 85% [relative humidity]"

X-ray diffraction exposure of erythrocyte referenced as "Wet erythrocyte nuclei. L93 B"

X-ray diffraction exposure of lithium (Li) DNA referenced as "L113 Li DNA"

X-ray diffraction exposure of "Loligo in spermatophore"

X-ray diffraction exposure referenced as "Erythrocyte nuclei (fibres Sa ring)"

X-ray diffraction exposure of lithium (Li) salt DNA referenced as "L101 Li DNA fibre"

Photograph referenced as "DNA Courtauld [space filled molecular] Model"

Graph referenced as "Na DNA. Dichroism of inphase vibrations of the bases"

Graph referenced as "Li DNA. Dichroism of inphase vibrations of the bases"

Graph referenced as "Li DNA Shift in frequency of the asymmetric PO2- vibration with H2O content"

Two x-ray diffraction exposures of DNA referenced as "Fraction calf thymus DNA"

Graph referenced as "Dry mass in mitosis- m.h.t.c"

Graph referenced as "DNA regenerating liver"

Graph referenced as "DNA in Ehrlich ascites. 4 generations"

Graph referenced as "DM [dry mass] Protein and DNA Krebs ascites"

Graph referenced as "DM [dry mass] Protein and DNA m.h.t.c cells"

Graph referenced as "Dry mass in mitosis. Krebs ascites"

Graph referenced as "Protein/DNA. Calc[ulated] synthesis curves m.h.t.c cells"

Graph referenced as "Protein/DNA. Calc[ulated] synthesis curves. Krebs ascites"

Graph referenced as "Protein/DNA. During interphase. Mouse heart t.e. cells"

Graph referenced as "Proteins and DNA changes with cell cycle"

Diagram referenced as "DNA stages in the formation of plant cell walls. The primary wall"

Diagram referenced as "DNA stages in the formation of plant cell walls. The middle lamella"

Diagram referenced as "DNA stages in the formation of plant cell walls. The secondary wall"

Typescript text referenced as "The genetic significance of DNA"

Molecular diagrams of "Pyrimidine bases"

Molecular diagrams of "Ribose and deoxyribose"

Typescript text referenced as "Physical and chemical properties of DNA consistent with helical structure"

Diagram and typescript text referenced as "Bacterial transformations"

Typescript text referenced as "The genetic role of DNA"

Molecular diagrams referenced as "Purine bases"

Typescript text referenced as "Steps in the isolation and study of DNA"

Diagram referenced as "Gregynog lectures given by Prof. Randall. DNA. The reproduction of bacterial viruses"

"Projection of B structure of DNA"

Copy of a printed microscope image referenced as "TS. of ZEA roots"

Microscope image referenced as "Mitotic cells"

Copy of a printed diagram referenced as "Part of a chain of DNA"

Microscope image referenced as "Chromatin bodies of tetrad-forming coccus"

Microscope image referenced as "Development of cell boundaries of a tetrad-forming coccus"

Copy of a printed microscope image of "Muscle of drosophila"

Copy of a printed schematic diagram referenced as "Schematic representation of phage particle"

Copy of a printed microscope image referenced as "L.S. of Juglans hindsii"

Copy of a printed microscope image referenced as ""R" strain from pneumoccus type II"

Copy of a printed photographic image referenced as "Optical and x-ray diffractions patterns of DNA"

Copy of a printed diagram referenced as "Life cycle of acetabularia mediterranea"

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

Copy of a printed diagram referenced as "Relation of DNA to Haemoglobin for the Gregynog lectures given by Professor Randall"

Copy of a printed schematic diagram referenced as "Schematic representation of a chromosome"

X-ray diffraction exposure referenced as "6:4 Alanine: Lysine + DNA 92 R.H. [relative humidity]"

X-ray diffraction exposure referenced as "8:2 Alanine: Lysine + DNA 98 R.H. [relative humidity]"

X-ray diffraction exposure referenced as "Metavar DNP-3 98° [degrees] R.H. [relative humidity]"

Table referenced as "Mouse. Feulgen DNA in sperm and embryo lung and liver"

Table referenced as "Mouse. Feulgen DNA in sperm and adult liver and kidney"

Graph referenced as "Dyson. Microphotometer measurements"

Graph referenced as "2 λ [lambda] v Scanning"

Graph referenced as "Feulgen pH- sperm and somatic cells"

Graph referenced as "Feulgen. Absorption curves"

X-ray diffraction exposure of a sodium (Na) salt A-type DNA referenced as "F391 Na A T 7"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F1130 Li B"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F1147 Li B (Blue)"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "F1093 Li C (Ortho)"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "F1145 Li C (hex)"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F975 Li B"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F976 Na A Liver; F954 Na A Brown FRII"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F948 Na A Brown FRV; F957 Na A Brown F R IV"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F947 Na A Brown FR I"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F978 Na A Lymphatic leak"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F787 Li B (Streaky)"

X-ray diffraction exposure of lithium (Li) salt DNA referenced as "Li DNA (9r/t) Film 701"

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X-ray diffraction exposure of lithium (Li) salt DNA referenced as "Li DNA (9r/t) Film 701"

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