Vintage Patinated Copper Maritime Sextant Seed Navigator

Construct the main frame from reclaimed white oak to mimic the structural integrity of nautical navigational tools. Cut precision slots into the wooden arc to allow for the smooth mechanical movement of the seed release slider.

Form the protective housing using hammered copper sheets that have been chemically aged to achieve a deep, sea-worn patina. Attach these plates to the frame using antique-style brass rivets for an authentic aesthetic that withstands the elements.

Install a delicate interior hopper system that dispenses black oil sunflower seeds through a calibrated sight-vane port. This mechanical feature provides a controlled flow of food while mirroring the functional look of a working sextant's optical equipment.

Finalize the assembly by polishing the brass adjustment knobs and adding a protective marine-grade lacquer over the copper surfaces. Mount the finished unit on a sturdy pedestal to ensure the bird feeder remains stable during windy coastal weather.