|
US2139430A
|
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Agitating tank for liquids
|
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US2000268A
|
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Hydration of pulp
|
|
US2017225A
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Method and apparatus for determining, recording, and controlling the density, consistency, or specific gravity of fluent materials
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Apparatus for controlling the drying operation in paper machines
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Paper-making machine
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|
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Moisture indication and control
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Moisture measuring and recording apparatus
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Paper-machine drive
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Slice for paper-making machines
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Paper-tester
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|
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Temperature-regulator
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Heat-reclaiming system for pulp-mills
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US1359944A
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Indicating device for self-propelled vehicles
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