One photograph titled ‘Whale catchers prepare’. Caption on the back reads: ‘Captain-Gunner Thorleif Karlsen is preparing to take his fleet of whale catchers to the ice on a six month whale hunting expedition. “ASDIG” is an important development in the hunt and 6 out of 7 operators are British. O.P.S Capt. Karlsen makes a test shoot out in Sandefjord.’ Back of the image includes annotations and the published article is attached.