4. Geometrical instruments
  5. Scriber
  6. Pantographic

Wayland H. Riggins

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Apparatus for reducing aerodynamic noise in a wind tunnel

Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent

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Device for measuring the ferrite content in an austenitic stainl

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Gas filled coaxial accelerator with compression coil

Mechanical guns and projectors – Spring – Elastic band
Patent

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Hanger

Supports – Pipe or cable – Extending through plate
Patent

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Heat transfer device

Radiant energy – Cloud or bubble chambers
Patent

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Profile ID: LFUS-PAI-P-283055

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