IN THE ATMOSPHERE FACTORY
thoughts was that the outer doors are manipulated by telepathic means. The locks are so finely adjusted that the doors are released by the action of a certain combination of thought waves. To experiment with my new-found toy I thought to surprise him into revealing this combination and so I asked him in a casual manner how he had managed to unlock the massive doors for me from the inner chambers of the building. As quick as a flash there leaped to his mind nine Martian sounds, but as quickly faded as he answered that this was a secret he must not divulge.
From then on his manner toward me changed as though he feared that he had been surprised into divulging his great secret, and I read suspicion and fear in his looks and thoughts, though his words were still fair.
Before I retired for the night he promised to give me a letter to a near-by agricultural officer who would help me on my way to Zodanga, which he said, was the nearest Martian city.
"But be sure that you do not let them know you are bound for Helium as they are at war with that country. My assistant and I are of no country, we belong to all Barsoom and this talisman which we wear protects us in all lands, even
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