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Image
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Source
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Observations
from the source
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Gallenkamp (1930s)
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Galvanoscope
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Gallenkamp (1930s)
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Galvanoscope
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Gallenkamp (1930s)
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Galvanoscope
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Gallenkamp (1930s)
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Galvanoscope
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Gallenkamp (1930s)
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Galvanoscope
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Gallenkamp (1930s)
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Galvanometer, Midget pattern
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Gallenkamp (1930s)
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Galvanometer, economic
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Gallenkamp (1930s)
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Galvanometer, students tangent
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Gallenkamp (1930s)
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Galvanometer, students tangent
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Gallenkamp (1930s)
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Galvanometer, students tangent
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Gallenkamp (1930s)
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Galvanometer, improved tangent
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Gallenkamp (1930s)
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Galvanometer, improved tangent
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Gallenkamp (1930s)
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Galvanometer, student’s Helmoholtz
tangent
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Gallenkamp (1930s)
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Galvanometer, Davies pattern
experimental tangent
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Gallenkamp (1930s)
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Galvanometer, moving coil type Unipivot
Type B
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Gallenkamp (1930s)
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Galvanometer, astatic
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Gallenkamp (1930s)
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Galvanometer, lecture pattern
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Gallenkamp (1930s)
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Galvanometer, reflecting
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Gallenkamp (1930s)
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Galvanometer, reflecting
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Gallenkamp (1930s)
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Galvanometer, Cambridge reflecting
pattern
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Gallenkamp (1930s)
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Galvanometer, Cambridge pot pattern
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Gallenkamp (1930s)
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Galvanometer
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Gallenkamp (1930s)
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D’Arsonval galvanometer
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Gallenkamp (c. 1939)
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GALVANOMETER, moving-coil pointer type
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Gallenkamp (c. 1939)
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REFLECTING GALVANOMETER
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Gallenkamp (c. 1939)
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UNIVERSAL REFLECTING GALVANOMETER,
Hoiden-d’Arsonval pattern
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Gallenkamp (1956)
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Galvanometer
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Gallenkamp (1956)
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Galvanometer
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Gallenkamp (1960)
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Galvanometer
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Gallenkamp (1971)
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GALVANOMETER LAMP AND SCALE.
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Gallenkamp (1971)
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GALVANOMETERS, REFLECTING AND POINTER,
pot pattern.
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Gallenkamp (1971)
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SCALAMP GALVANOMETERS, PYE UNICAM
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