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  • Optics: glass tubes (right) and Leeuwenhoek's first microscope (left) Photograph.
  • 'Zymine' peptonising tubes... / Fairchild Brothers & Foster (Inc) New York.
  • 'Zymine' peptonising tubes... / Fairchild Brothers & Foster (Inc) New York.
  • 'Zymine' peptonising tubes... / Fairchild Brothers & Foster (Inc) New York.
  • The Lister Institute of Preventive Medicine Calf Lymph in metal tubes.
  • 'Zymine' peptonising tubes - Fairchild / Fairchild Bros. & Foster (Inc) New York.
  • Surgical instruments, including Ware's stilette and Wathen's leaden tubes. Engraving by Mutlow.
  • 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.
  • Light emitted by Röntgen Ray Tubes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Achromatic Microscope for three observers. Made by Agrens. The instrument has three tubes.
  • Twelve doctors standing in test tubes. Colour lithograph by A. Barrère, ca. 1910.
  • Light emitted by Röntgen Ray Tubes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Kelene (Κ́ηλ́ε or I calm) : pure chloride of ethyl, local anaesthetic in glass tubes.
  • Microscope drawings of plant cells in glass tubes. Coloured lithograph by C. Varley, c.1834.
  • Kelene (Κ́ηλ́ε or I calm) : pure chloride of ethyl, local anaesthetic in glass tubes.
  • Kelene (Κ́ηλ́ε or I calm) : pure chloride of ethyl, local anaesthetic in glass tubes.
  • Kelene (Κ́ηλ́ε or I calm) : pure chloride of ethyl, local anaesthetic in glass tubes.
  • Put this Valderma display container on your counter for 14 days and we give you - : 14 to the dozen on 2/6 tubes, 13 to the dozen on 1/9 tubes. Minimum order 3 dozen 1/9 size.
  • Put this Valderma display container on your counter for 14 days and we give you - : 14 to the dozen on 2/6 tubes, 13 to the dozen on 1/9 tubes. Minimum order 3 dozen 1/9 size.
  • Light emitted by Röntgen Ray Tubes: points of light. Photoprint from radiograph, by James Wimshurst, 1898.
  • Light emitted by Röntgen Ray Tubes: letters and shapes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Light emitted by Röntgen Ray Tubes: letters and shapes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Light emitted by Röntgen Ray Tubes: letters and shapes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Light emitted by Röntgen Ray Tubes: letters and shapes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Light emitted by Röntgen Ray Tubes: letters and shapes. Photoprint from radiograph, by James Wimshurst, 1898.
  • Philadelphia College of Pharmacy and Science: a woman making experiments in test tubes. Photograph, ca. 1933.
  • India: a man with a crutch carrying tubes decorated with bells and peacock feathers. Watercolour, 18--.