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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 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 sodium (Na) salt A-type DNA referenced as "F1207 Na A T7"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F159 Na A S180"

X-ray diffraction exposure of sodium (Na) salt B-type DNA referenced as "F210 Na B"

X-ray diffraction exposure of sodium (Na) salt A-type DNA referenced as "F113 Na A Chronic myoloid"

X-ray diffraction exposure of lithium (Li) salt C-type DNA referenced as "F1265 Li C [Relative Humidity] 44%"

X-ray diffraction exposure of DNA referenced as "F1233 Bendich 52"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F1267 Li B [relative humidity] 92%"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "F1234 Li B [relative humidity] 92%"

Diagram referenced as "The stereochemistry of DNA . Part 1. Fig 1"

Diagram referenced as "The stereochemistry of DNA . Part 1. Fig 2"

Diagram referenced as "The stereochemistry of DNA . Part 1. Fig 3"

Graph referenced as "The stereochemistry of DNA . Part 2. Fig 1"

Diagram referenced as "The stereochemistry of DNA . Part 2. Fig 2"

Diagram referenced as "The stereochemistry of DNA . Part 2. Fig 3"

Diagram referenced as "The stereochemistry of DNA . Part 2. Fig 4"

X-ray diffraction exposure referenced as "X-ray photograph 1250 [75% relative humidity]"

X-ray diffraction exposure referenced as "X-ray photograph 1184 Α [alpha]"

X-ray diffraction exposure referenced as "X-ray photograph 1178 Α [alpha] [92% relative humidity]"

X-ray diffraction exposure referenced as "X-ray photograph 1298 Α [alpha] [75% relative humidity]"

Diagram showing stereochemistry between adenine-uracil-uracil bases. Referenced as "Diagram A-u-u"

Diagram referenced as "Projections of RNA"

Diagram referenced as "Projections of TAU [thymine adenine uracil]"

Diagram referenced as "Bacterial DNP [deoxyribonucleoprotein]. Fig 2B"

Diagram showing stereochemistry between thymine adenine and uracil bases. Referenced as "Template Fig 1A"

Diagram showing the stereochemistry between thymine adenine and cytosine bases. Referenced as "Template Fig 1B"

Diagram showing the stereochemistry between cytosine guanine and uracil bases. Referenced as "Template Fig 1C"

Diagram showing the stereochemistry between guanine cytosine and adenine bases. Referenced as "Template Fig 1D"

Diagram showing the stereochemistry between thymine adenine and uracil bases. Referenced as "Template Fig 2A"

Diagram showing the stereochemistry between thymine adenine and adenine bases. Referenced as "Template Fig 2B"

Diagram showing the stereochemistry between guanine cytosine and guanine bases. Referenced as "Template Fig 2C"

Diagram showing the stereochemistry between guanine cytosine and cytosine bases. Referenced as "Template Fig 2D"

Diagram showing the stereochemistry between DNA and RNA bases. Referenced as "Template Fig 1"

Diagram showing the stereochemistry between DNA and RNA bases. Referenced as "Template Fig 2"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 6. X-ray photographs. Plates from DNA from many sources"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 7. X-ray photographs. Plates from DNA from many sources"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 2. X-ray photographs. Plates from DNA from many sources"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 1. X-ray photographs. Plates from DNA from many sources"

Histogram measuring x-ray diffraction exposures of DNA from different sources. Referenced as "Sources- pl 5. X-ray photographs. Plates from DNA from many sources"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 3. X-ray photographs. Plates from DNA from many sources"

Composite image of x-ray diffraction exposures of DNA from difference sources. Referenced as "Sources- pl 4. X-ray photographs. Plates from DNA from many sources"

X-ray diffraction exposure referenced as "Film 864. X-ray photograph lipid"

X-ray diffraction exposure referenced as "Film No 910 (histone?)"

X-ray diffraction exposure referenced as "Film No 892 lipid"

X-ray diffraction exposure of B-type DNA referenced as "Film 638 DNA?"

X-ray diffraction exposure referenced as "Film no 1341 [relative humidity 92%] "

X-ray diffraction exposure of nucleohistone referenced as "Film No 1211 nucleohistone good 98 or 92 [% relative humidity]"

X-ray diffraction exposure of B-type DNA referenced as "Film No 1292 B. Best recombined [relative humidtiy 98%]"

X-ray diffraction exposure referenced as "Film No. 877 [relative humidity 98%]"

X-ray diffraction exposure referenced as "Film [no.] 1358"

X-ray diffraction exposure of DNA referenced as "F1214 W.B.C. DNA"

X-ray diffraction exposure of DNA referenced as "F407 T2 phage DNA"

X-ray diffraction exposure of DNA referenced as "F1310 Bond. Fλ [lambda] 28"

X-ray diffraction exposure of DNA referenced as "F1302 Bond Fλ [lambda] 29"

X-ray diffraction exposures of DNA referenced as "F1350 Bond Fλ [lambda] 3LD 101. F1348 Bond Fλ [lambda] 3LD 75, 76"

Diagram showing observed spots and layer lines from C-type DNA diffraction pattern referenced as "Ortho [orthorhombic lattice] C diagram"

Diagram showing observed spots and layer lines from C-type DNA diffraction pattern referenced as referenced as "Hex. [hexagonal lattice] C diagram"

X-ray diffraction exposure of C-type DNA referenced as "F1279 Hex. [hexagonal lattice] C."

Composite image of x-ray diffraction exposures of DNA referenced as "Hex. [hexagonal lattice] C + Ortho [orthorhombic lattice] C"

Composite image from an X-ray diffraction exposure of DNA and a diagram referenced as "Ortho [orthorhombic lattice] C + diagram"

Composite image of X-ray diffraction exposure of C-type DNA and a diagram referenced as "Hex. [hexagonal lattice] C + diagram"

Diagram showing the stereochemistry of RNA referenced as "RNA 2"

Diagram showing stereochemistry of unknown molecule referenced as "Three strand 2"

Diagram of arrangement of lithium (Li) salt DNA unit cell referenced as "Li DNA unit cell"

Histogram relating to DNA referenced as "B30 transform"

Plotted Fourier map of DNA referenced as  "B27 equator"

Histogram relating to DNA referenced as "B14 transform"

Diagram showing the stereochemistry of DNA referenced as "B30 structure"

Schematic diagram of a camera referenced as "Camera diagram"

Diagram showing the projections of a nucleotide of C-type DNA referenced as  "C.O. Structure"

Graph relating to DNA referenced as "Transform of 3A spheres etc"

Histogram relating to DNA referenced as "Transform B27 components"

Histogram relating to DNA referenced as "m + +1 B27"

Plotted Fourier map of DNA referenced as "B27 6th layer plane"

Graph referenced as "Densitometer trace of optical transform"

Histogram referenced as "Watson Crick transform"

Optical transform of DNA referenced as "Optical transform B25"

Diagram of the structure of DNA referenced as "B32 structure"

X-ray diffraction exposure referenced as "Film No 1332. X-ray photograph"

X-ray diffraction exposure referenced as "Film No 1344"

Table referenced as "Nucleic acid composition"

Histograms referenced as "Hydrogen bond angles histograms"

Diagram referenced as "Hydrogen bond angles about the NH3+"

Diagram of the projected structure of lithium (Li) salt in B-type and C-type DNA referenced as "Li B + C real lattice projection"

Diagram of the projected structure of lithium (Li) salt C-type DNA referenced as "Li C model"

Microscope image of DNA referenced as "Reversal. Plate L 20 DNA x 20,000"

Microscope image of DNA referenced as "Reversal. Plate L24 DNA x 20,000"

Microscope image of DNA referenced as "Reversal. Plate M35 DNA x 20,000"

Microscope image of DNA referenced as "Reversal. Plate M38 DNA x 20,000"

Microscope image of DNA referenced as "Reversal. Plate N3 DNA x 20,000"

Histogram relating to C-type DNA referenced as " 'C' DNA transform (Faraday Society)"

Composite image of X-ray diffraction exposures of B-type and C-type DNA referenced as " 'b' + 'C' DNA diffraction patterns"

Graph referenced as "T.C. Nuclear mass"

Graph referenced as "Krebs. DNA v Protein"

Graph referenced as "Krebs. Protein + DNA. General scheme"

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

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

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