Isidro Leon, 38 years old, born in Tacna, is a sturdy worker in the arrangement of cargo on board the steamer "Urubamba" which has suffered an accident at work, seeks relief for the consequences. The paucity of data referred our patient we could get the following: "On October 5, 1919 he was on board directing the placement of a shipment of starch, below deck and starboard of the ship, when in a given time, one lingada eight bags of starch, head resting on my right hand, I strongly compressed and made me violently tilt left on the side of the ship, tried to flee as heavy weight, escurriéndome protected by the same rail, of which also served me out to the middle of the boat, where I thought I fought quite remember when the accident happened, because I thought I felt at that moment that my eyes jumped, awful feeling I can not describe;.. after a while (about 10 minutes) I was losing my min...