After 'Note explosions - also officer is up at Battery on sledge, and the men have stood up to look at the effect. (terribly cut up about the shots).' Photograph taken at long range, showing explosions as ice is blasted to clear an exit route for the Discovery. Funnels of smoke rising from two blast holes. A further annotation on this photograph states that it is 'companion to 53' (MS 3755/2/34). January - February 1904