ten o'clock
Great Cat , what a chance ! A fool for luck is right ! '' He came to himself with a start . He switched on the lights and saw that it was ten o'clock . Simultaneously he recalled that he was to have had dinner with his fiancée at her home , their first dinner since their engagement . Cursing himself for an idiot he hastily left the building , and soon his motorcycle was tearing up Connecticut Avenue toward his sweetheart 's home . Steel Becomes Interested Dr. Marc DuQuesne was in his laboratory , engaged in a research upon certain of the rare metals , particularly in regard to their electrochemical properties .