4. Measuring and testing
  5. Specific gravity or density of liquid or solid
  6. Freely vertical reciprocable float with carried indicium

Joseph Boullet

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Apparatus for the automatic measurement of the apparent density

Measuring and testing – Specific gravity or density of liquid or solid – Freely vertical reciprocable float with carried indicium
Patent

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Apparatus for the automatic measurement of the apparent weight o

Weighing scales – Self-positioning – Buoyancy type
Patent

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Profile ID: LFUS-PAI-P-1925919

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