Part 3/7:
Further inspection reveals additional metal fragments, including a piece of aluminum that appears to be a vent or cover, and a peculiar brass piece. Some of these components exhibit deposits or residues on their surfaces, the nature of which is uncertain. The collector describes a pattern—almost a sweeping or radial effect—that suggests some form of formation process or possibly corrosion pattern. These visual cues might provide clues into the history or usage of these parts.