Hi Kris.
According to the Norwegian Veritas records:

POL I buildt 1926 at Akers Mekaniske verksted in Kristiania.
1930 owner Hvalfangerselskapet (company) Polaris A/S (Melsom & Melsom )Larvik.
1938, 1940 owner Bryde & Dahls Hvalfangerselskap A/S (A/S Thor Dahl), Sandefjord.
Not in the Norwegian records after WWII

POL V buildt 1925 as LORENTZ BRUUN at Jarlsø verft (yard) Tønsberg.
1930 owner Hvalfangerselskapet (company) Polaris A/S (Melsom & Melsom )Larvik.
1938, 1940 owner Bryde & Dahls Hvalfangerselskap A/S (A/S Thor Dahl), Sandefjord.
Not in the Norwegian records after WWII

Regards Rolf