Citristrip applied (the orange stuff containing no MEK)
Stripper scraped off and residue removed with mineral spirits.
Mineral spirits dried.
Sanded with 120 and then 220 grit
Minwax penetrating stain Golden Oak 210B applied and left to soak in
Stain rubbed back
First coat of Minwax Helmsman spar urethane clear satin.
Next, the sanding between coats.
And the second coat.
Then let it dry.
Put the extension back in the loft and my dining room table is back in service...