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Image
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Source
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Observations
from the source
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Gallenkamp (c.
1939)
|
VISCOMETER, Redwood’s No. I, for gas
heating
|
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Gallenkamp (c.
1939)
|
VISCOMETER, Redwood’s No. I,
|
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Gallenkamp (c.
1939)
|
VISCOMETER, Redwood’s No. 2, for gas
heating
|
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Gallenkamp (c.
1939)
|
VISCOMETER, Redwood’s No. I, four-cup
multiple type
|
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Gallenkamp (c.
1939)
|
VISCOMETER> Engler’s, gas heated
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Gallenkamp (c.
1939)
|
VISCOMETER, Engler’s standard pattern,
gas heated
|
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Gallenkamp (c.
1939)
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STANDARD TAR VISCOMETER
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Gallenkamp (c.
1939)
|
E.V.T. VISCOMETER
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Gallenkamp
(1971)
|
VISCOMETER, Engler, Seta,
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Gallenkamp
(1971)
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VISCOMETER, STANDARD TAR, Seta,
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Gallenkamp (1960)
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Viscometer, Engler
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