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  • "Marilyn at the cellular level"
  • SEM tooth surface, levels of tartar
  • Testing diabetic dog glucose level in blood
  • Testing diabetic dog glucose level in blood.
  • Potassium level, raised K + 9.6
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Reduction in mRNA levels due to RNAi
  • Radiograph: low fixer level producing a fluid line
  • Surveying: levels and other equipment. Engraving by J.B.P. Tardieu.
  • Surveying: a surveyor's level, disassembled (above) and assembled (below). Engraving by H. Mutlow, 1810.
  • High level disinfection methods to prevent infection in Kenya. Lithograph by Engender Health, ca. 1992.
  • High-level building maintenance workers using a harness for safety. Colour lithograph after Sompek, 1929.
  • The levels of hell depicted as circular stone tiers; purgatory lies outside its walls. Engraving.
  • Surveying: equipment for surveying, a level, a plumb-line, etc. Coloured engraving by J. Lodge.
  • Roman military punishment showing the breaking of the legs of slaves or persons of an inferiour level.
  • Écorché head of a man, subcutaneous level, seen in profile. Etching by A. von Perger, ca. 1850.
  • A cone-shaped mountain rises out of the sea, crowned by a tree over flames and divided into twelve levels, on each level people are either working, sitting or running. On the far right a boat delivers more people; representing Earthly Paradise. Etching.
  • Section of the Thames embankment in 1867: the position of the low-level sewer is shown. Wood engraving.
  • Civil engineering: the Conway box girder bridge, viewed from entrance level. Coloured lithograph by G. Hawkins after himself.
  • In chronic bronchitis and asthma Choledyl provides effective theophylline blood levels for more than 6 hours : kite.
  • In chronic bronchitis and asthma Choledyl provides effective theophylline blood levels for more than 6 hours : kite.
  • Sir John Soane's House and Museum: the dressing room at ground floor level. Lithograph by C. J. Richardson.
  • A naked woman walks on the level, up steps and up an incline. Collotype after Eadweard Muybridge, 1887.
  • For winter chest infections Tetralysal : marked clinical superiority : superior absorption higher blood levels lower dosage improved tolerance.
  • For winter chest infections Tetralysal : marked clinical superiority : superior absorption higher blood levels lower dosage improved tolerance.
  • Sir John Soane's House and Museum: the Belzoni Chamber at basement level, showing the sarcophagus of Seti I. Engraving.
  • For winter chest infections Tetralysal : marked clinical superiority : superior absorption higher blood levels lower dosage improved tolerance.
  • Sir John Soane's House and Museum: the picture gallery at ground floor level, showing the folding screens. Lithograph, 1830.