just a bit of info. me old man use to catch em, not the fin whale the larger sperm/right whale. he worked for christen salvesons.[on the catchers] was then biggest whaling company in the world. fished out of durban south africa, down to south georgea. told me allways norwegian on the harpoon.after he died a few years ago my mam gave me his old whaling work contract which i gave later on to the whaling museum in hull. the factory boat he worked of was called the hektoria. which was torpedoed in the second world war. if anyone is interested google [hektoria] more info on there. thanks, cheers