File:Westinghouse inertia governor, diagram at long and short cut-offs (Rankin Kennedy, Electrical Installations, Vol III, 1903).jpg
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Westinghouse_inertia_governor,_diagram_at_long_and_short_cut-offs_(Rankin_Kennedy,_Electrical_Installations,_Vol_III,_1903).jpg (779 × 451 pixels, file size: 39 KB, MIME type: image/jpeg)