It was then applied by hand as we do today. It is virtually impossible to restore without French polishing because the wood nearly always needs some touching up after having been worked on. This definition is a far cry from restoration. To Repair an Antique is not acceptable and implies that inferior woods, replacements and finishes are used. Often no attempt is made to adhere to original design.
Spray finishes have a glassy, artificial look and are cold to the touch.
French polish has a crystal ball effect. The surface has depth and the wood grain shows through. It is relatively warm to the touch and looks friendly. Repairs can drastically devalue a piece. Restoration can only increase value and enhance aesthetics.