Sure, I can assist you with that.

To restore an antique rusty corn sheller from the 1890s, follow these steps:

Clean the corn sheller: Remove any loose rust and debris from the corn sheller using a wire brush or sandpaper. Be careful not to damage any of the parts.

Disassemble the corn sheller: Disassemble the corn sheller into its individual parts. Take note of how each part fits together so you can reassemble it later.

Soak the parts in vinegar: Soak the parts of the corn sheller in a mixture of vinegar and water for several hours or overnight. This will help to dissolve any remaining rust.

Scrub the parts: After soaking, use a wire brush or sandpaper to scrub the parts of the corn sheller. Be careful not to damage any of the parts.

Rinse and dry the parts: Rinse the parts of the corn sheller with clean water and dry them thoroughly with a towel or air-dry them.

Apply a rust inhibitor: Apply a rust inhibitor to the parts of the corn sheller to prevent further rusting. This can be a spray or a paste.

Reassemble the corn sheller: Once the parts are cleaned and treated, reassemble the corn sheller. Make sure each part is properly aligned and secured.

Lubricate the parts: Apply a lubricant to the moving parts of the corn sheller to ensure smooth operation.

With patience and attention to detail, you can restore an antique rusty corn sheller from the 1890s and give it a new lease on life. It can be a fun and rewarding DIY project for enthusiasts of all levels.