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1,195 results
  • Photomultiplier tubes / 20th Century Electronics Limited.
  • Photomultiplier tubes / 20th Century Electronics Limited.
  • Photomultiplier tubes / 20th Century Electronics Limited.
  • Photomultiplier tubes / 20th Century Electronics Limited.
  • Geiger counter tubes : illustrated price list, December 1957 / 20th Century Electronics.
  • Geiger counter tubes : illustrated price list, December 1957 / 20th Century Electronics.
  • Geiger counter tubes : illustrated price list, December 1957 / 20th Century Electronics.
  • Geiger counter tubes : illustrated price list, December 1957 / 20th Century Electronics.
  • The Coulter automatic blood cell counter and cell size analyzer : another giant step forward in the field of hematology / Coulter Electronics.
  • The Coulter automatic blood cell counter and cell size analyzer : another giant step forward in the field of hematology / Coulter Electronics.
  • The Coulter automatic blood cell counter and cell size analyzer : another giant step forward in the field of hematology / Coulter Electronics.
  • Electronic nerve stimulator
  • Rotavirus, electron micrograph
  • Tongue, scanning electron micrograph
  • Tongue, scanning electron micrograph.
  • Adenovirus, coloured electron micrograph
  • Electron micrograph of blood clot
  • Electron micrograph of blood clot
  • Electron micrograph of blood clot
  • Rotavirus, electron micrograph - coloured
  • Human bronchus, scanning electron micrograph.
  • Orf virus under electron microscope
  • Flea - colour-enhanced electron micrograph
  • Flea - colour-enhanced electron micrograph
  • Flea - colour-enhanced electron micrograph
  • Electron micrograph of Escherichia coli close-up
  • Electron micrograph of Escherichia coli, close-up
  • Electron micrograph of Escherichia coli, close-up
  • Electron micrograph of Escherichia coli, close-up
  • Electron micrograph of blood clot,high power