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the strange metal which I have previously described. The machine which we had seen before was again in its place and I examined it without learning anything new. However I did manage to contact one of the ‘people’ which you say inhabit these caves.

     “I had just returned to ‘Lunchroom’ after looking over the metal and machine when I decided to explore some of the other passages branching off from ‘Lunchroom’. I chose the passage to the left of the one marked for me and traveled several yards before seeing anything of interest. About one hundred yards from ‘Lunchroom’ I came upon several pieces of silvery metal and noticed that the walls of the cave seemed to have been covered or plated at one time with the same metal and that some of it had cracked and fallen away. Some fifty yards farther the cave seemed to be in better repair and the walls, ceiling, and floor were completely covered with the metal which acted as a mirror and reflected the beam of my flashlight until the whole place was flooded with brilliant white light. I turned out the light and soon after saw what appeared to be luminous dust swirling around close to one of the walls. As I watched, this dust materialized and took the form of a man about five feet high.

    “He appeared to be about twenty years old and spoke with a low, mellow voice.

     “I had been expecting something of this sort after reading your letter and was not too surprised to prevent myself from getting out of their fast.

     “He spoke English very well but seemed to have quite some difficulty in talking slow enough for me to understand him.

     “He spoke for several minutes and as far as I can tell, his conversation went something like this:

     "’The angle is zero. I am safe at zero, but the machine is broken and soon we'll be ninety and I'll have to go. Infinity... ninety and I won't come back because they will... but in a year... if their research