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    • after 1950 – before 1995

    Stamp depicts profile of Fritz Haber who received the Nobel Prize in Chemistry in 1918 for developing a process to synthesize ammonia from nitrogen and hydrogen gas, which allowed for the large-scale synthesis of…

    • 1979

    Cachet depicts Otto Hahn's equipment and the nuclear fission of uranium atoms. Stamp shows Hahn's diagram of the splitting of the uranium nucleus. Hahn was the Nobel Prize Winner for Chemistry in 1944.

    • 1953

    Cachet and stamp depict Max Planck, while the postmark is of Otto Lilienthal, who pioneered the use of gliders. Stamp is part of series, "Men from the History of Berlin."

    • 1934

    Stamp issued by the "Deutsche Reich" government under Nazi rule depicting images associated with the profession of chemistry.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 181. Automatic, for gas heating, coal or wood firing.
    B 183. Fully automatic, with copper interior and steam heating.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Portable universal respiration apparatus, according to specifications from Professor Francis Gano Benedict.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 185. Combination water distillation unit with drying cabinet and sand bath for gas heating.

    Also pictured are evaporating flask and dishes made of glass and metal.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 2106. Precision apparatus for determining freezing point depression.
    B 2107. For determining freezing point depression for clinical purposes.
    B 2108. For determining freezing point depression for very small…

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 2282. Electrometer for radioactive measurements.
    B 2285. Fontactoscope, an electroscope for measuring the radioactivity of water and gases.
    B 2300. Electrometer with internal amber insulation.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Polarimeters are used to measure the angle of rotation of a beam of light passing through an optically active substance.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913
    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Two microscopes with choices of various components for complete assembly.

    B 5095. Sufficient for most bacteriological, histological, botanical, and zoological investigations.
    B 5099. For bacteriological work (equipment…

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Oil immersion microscopes with various components and of different sizes.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Microscope with achromatic objectives. Assembled with the "No. 1" stand, for large microscopes.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Microscope with achromatic objectives and Huygens eyepieces. Assembled with the "No. 2b" stand, for medium microscopes with lighting unit.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Microtomes are used for cutting tissues into extremely thin sections, for preparation of samples in microscopy.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Microtomes are used for cutting tissues into extremely thin sections, for preparation of samples in microscopy.

    B 5255. Sledge microtome for anatomical and bacteriological work.
    B 5261. Microtome with crank for all…

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Ernst Leitz Wetzlar electric heating microscope stage warmers.

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 4919. Water sampling apparatus, with bottles and tube for chemical, gas, and bacteriological analysis.
    B 4921. For removing river or seawater.
    B 4922. Flow-through water sampler suitable for all depths.
    B 4923. Winch…

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    B 2040. Differential tensimeter.
    B 2041. Storage rack with circular section for tensimeter.
    B 2052. Stirring device, mechanically operated by clockwork.
    B 2057. Reading device for thermometer.
    B 2060. Complete apparatus…

    • Part of Preis-Verzeichnis über Apparate und Gerätschaften für alle Laboratoriums-Arbeiten im Gebiet der Biochemie [Price-List on Apparatuses and Equipment for All Laboratory Work in the Fields of Biochemistry]
    • 1913

    Two vacuum distillation apparatuses with various components, including distillation flasks, thermometers, heating baths, vacuum tubes, as well as stands and clamps.

    Vacuum distillation is a method of distilling at…

    • X-ray photograph of two hands clasped together
    • Part of Zeitschrift für Elektrochemie [Journal of Electrochemistry], Vol. 3
    • 1896 – 1897