A. R. Engineering Works manufactures Universal Governor Apparatus with DC Electric Motor. A. R. Engineering Works manufactures condensing unit, laboratory condensing unit, experimental condensing unit, motorized gyroscope, absorption refrigeration chiller, air conditioning [1 ton], air water heat pump, drop and film condensation apparatus etc. The Universal Governor Apparatus with DC Electric Motor is used for performing experiments like Watt, Porter, Proell and Hartnell type governors. The Universal Governor Apparatus with DC Electric Motor is for determination of characteristic curve of sleeve position against controlling force and speed. This Apparatus also enables Plotting of characteristic curves of radius of rotation.