Lanolin grease

For some years now I have been rubbing lanolin grease onto the surface of most rusty things I value. For a while, maybe a few weeks, every bit of dust sticks to the grease, but after a while the surface turns a dull very dark brown colour and the rusting process appears to stop. Apparently lanolin has been used since ancient times as a rust inhibitor. It can be bought at various hardware outlets, or maybe in bulk from wool processors.