Left: developmental oils diluent:  70% linseed oil (m/m) / 15% C-20 guerbet alcohol/ 15% chemically modified turpentine ( alpha-pinene isomers and bornyl acetate).

Right same as above with 20% ( m/m/) dammar resin.   Being left 1-3 days at 20-23 deg C to allow dissolution.  Potential varnish.