Read this excerpt from Exploring the Titanic.ANGUS was quite like Argo, except that it was an older camera sled that took still photographs instead of video as it was towed over the sea floor. Our nickname for ANGUS was the "dope on a rope." Now we would bring our old friend to the rescue. After all, I had used ANGUS in rougher seas than this.The author includes this information about ANGUS to show that it was