4. Electricity: motive power systems
  5. Braking
  6. Dynamic braking

R. G. Brodahl

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Antenna apparatus for vehicle track rail signals

Railway switches and signals – Block-signal systems – Automatic
Patent

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Antenna apparatus for vehicle track rail signals

Railway switches and signals – Block-signal systems – Automatic
Patent

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Anticipatory boiler feedpump suction head controller system

Liquid heaters and vaporizers – Feeders – Automatic
Patent

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Apparatus and method for reducing effective inductance in a dyna

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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Apparatus for gauging the texture of a conducting surface

Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent

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Profile ID: LFUS-PAI-P-31966

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