animal, vegetable, or mineral oil as the equal of linseed oil for painter's use. Some of them are valuable as thinners or extenders of it, improving both its working and drying properties, especially if the linseed used be viscous. The base of the best substitutes for linseed oil is linseed oil itself. Various petroleum products of greater density than benzine are sometimes added to linseed oil, with or without other ingredients, to form paint oils. These are merely mechanical mixtures, the unworthiness of which increases as the percentage of linseed oil decreases. The non-drying and non-sticking properties of petroleum are so pronounced as to offset any virtue it may possess in offering resistance to atmospheric influences.

Spirits of Turpentine is miscible with linseed oil in any proportion.  As a thinner,