How to Make Furniture Polish/How to Polish Furniture
"The cheapest is a mixture of linseed oil and turpentine, laid on in a
thin coat, rubbed off with a soft cloth, and polished. Furniture in
constant use is greatly improved by washing with half and half of
vinegar and water, and afterward applying cold-drawn linseed oil,
rubbing it very much. It should be rubbed again a day or two afterward."