Rescue excavations by the Veszprém Museum of a Roman horse grave yielded a bronze harness assemblage. Conservation treatment of the material was performed, based on a detailed analysis of the objects to get the maximum information possible on the method of production, as well as the treatment necessary for the objects. The finds were investigated by binocular light microscope, and in a water vapor chamber. Provisional treatment of the objects was performed in an ammoniacal potassium-carbonate solution; further analysis of the objects included a chloride test, and x-radiograph exposures. Corrosion products were analyzed by spot tests as well as x-ray diffraction; the basic metal alloys were investigated by spot tests, spectrographical, and metallographical analyses. The above investigations yielded unambiguous data on the production of the harness, the quality of the alloys used for the production, as well as invaluable data concerning the proper conservation treatment to be followed. Based on the scientific data, we could reject wet and chemical treatment of the objects, because these would probably detach the corrosion layer preserving the original surface. This corrosion layer was stable, resistant, and of uniform distribution. -- AATA