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Figures 109-112. An Electric Machine and Electrometers
- 1840
Figure 109. Double 18-ich Electrical Machine a very splendid and powerful instrument, on Woodward's principle.
Figure 110. Harris's Unit Jar Electrometer with graduated slider, for charging other Leyden jars, or… -
Figures 113-123. Plate Electrical Machines
- 1840
Figure 113. Henley's Quadrant Electrometer with graduated arc, for experiments with accumulated electricity.
Figure 114. Bennet's Gold-leaf Electroscope, with Singer's Improvement whereby the instrument is better… -
Instruments for measuring radioactivity
- 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. -
Electrometers
- Part of Catalog K: Physical Apparatus for Universities and Colleges
- 1912-May
Quadrant electrometer and electrometer for radioactive measurements.
- Creator Of Work Central Scientific Company
- Subject Scientific apparatus and instruments, Electrometer, Laboratories--Equipment and supplies