Vintage Patinated Copper Victorian Astrolabe Seed Celestial Mapper

Construct the inner celestial plates using reclaimed cedar boards, carefully routed to create graduated seed-holding channels. Precision cut the brass-inlaid rings to ensure smooth rotation around the central axis pivot.

Fashion the outer cage from copper sheeting, employing a salt-and-vinegar patina technique to achieve an aged Victorian finish. Secure the delicate metalwork to the wooden frame using polished brass rivets for a refined aesthetic.

Install the central seed reservoir, which functions as the hub of the astrolabe by utilizing gravity-fed copper tubes that terminate at each cardinal point. Ensure the aperture settings are adjustable to regulate the rate of seed flow.

Mount the assembly on a heavy-duty weather-vane swivel that allows the unit to align with the wind, mimicking an old scientific instrument. Apply a final coat of natural wax to protect the copper patina from the elements while maintaining a soft, historical sheen.