Air Wonder Stories, August 1929 — page 88: what you’re looking at

Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

have known that you were assigned to the job of track- ing him down.” “Yes,” the detective answered. “But I held one win- ning card, the Light Wave Receiver plans. To get them, he knew that he had to play a careful game.” “But he could have made you reveal the place where the plans were by using the ray on you.” “He had tried it on me but was careful to use a feeble power. He knew that if he used: sufficient force to take control over my own thoughts, I would notice the effects and suspect that he was using such a ray. It was important that he keep it a secret at least until he obtained the plans from me. In other words he tried to get the plans from me without betraying his ray. However, he did use the ray on me with sufficient force to make me-do his bidding, and that was when you and I gave up the papers on the liner coming to London. He was so positive that the plans were in the bag that he staked all on obtaining them. In that move he lost, while I obtained proof that he was using a telepathy ray. When he got the papers and found them valueless, it was too late, for we were in my house in London. He doubtless realized then that I had become suspicious of his ray, and fearing that I knew too much to be at large, he held up the cruiser that you were on, thinking that you were I. In an attempt, not only to remove me to where I’d be harm- less against him, he also made one more attempt to learn from me the location of the-papers before letting the world know of his ray. You know the rest. You know how he tried his last trick to get the plans, by trying to terrorize the police organization with: his message, and how he thought he had succeeded, when we decided:to send the plans and sent a message to that effect. He knew by then that I was aware of his ray and realized the power of it. He thought that I would give up the'plans to prevent him carrying out his word.” “But your vision screen. Was it proof against the telepathy ray?” ~~ ee a se AIR WONDER STORIES “The magnetic field turned his vision ray, and the telepathy ray, left with no conducting path, was unable to penetrate the walls of the house with sufficient strength to be effective.” _ aspen he knew that you could stop his telepathy ray?” “At that range, yes, but he no doubt knew also that I could not have used the field to protect the planes in an attack on him.. For with the ray being used at short tange, it would no doubt have been strong enough to break down the protecting fields. I thought at first of using the field as protection in an attack on him, but finding that it was not to be depended on at close range, I was forced to wait and find a better protection, which I did by use of the metal caps. So I believe that I did the best I could: It all turned out as well as we could have hoped for. We have broken his power, and he is being hunted by every power in the wor! “We have located the position of his second island by. means of the signals received from the box, while it was being transferred from plane to submarine, and a fleet of planes have been sent over to it, He won't land there. And it will be: difficult for him to get anything to build another base with when he finds the eyes of the-world watching: for him. “The box that ‘he got contained the genuine drawings of the Light Wave Receiver, but they are valueless, for I discovered that-a radio company in France was mak- ing some secret tests on a new kind of wave, and some experts checking up on the signals received by the Light Wave Receiver found that they were those of the French station. Our master criminal. was so posi- tive of the power of his. devilish devices, that he over- looked the most important thing. He forgot that there was a possibility of his power being checked by some little thing, say for instance, a little tin hat.” “Yes,” came Wallace’s drowsy reply from the depth of the pillow, “a little tin hat.” ; “ Tue Enp, sented by the stories. 1—What is the purpose of the magnetic beams in aviation? (Page 163) 2—What is the purpose of the catapult? (Page 163) 3—What is the advantage of the multi- motored plane? (Page 163) 4—What disadvantages have the lighter-than- air ships? (Page 133) 5—How can one, in a flight from London to New York atrive at the same hour he left? (Page 147) 6—How might a gyroscope control the mo- tion of an air vessel? (Page 105) WHAT IS YOUR KNOWLEDGE OF AVIATION? Test Yourself by This Questionnaire HE questions given below are taken from the stories in this issue. They will serve, by your ability to answer them, to test yourself in your knowledge of aviation. By thus testing your- self, you will be able to fix in your mind a number of important facts of aviation that are pre- The pages, on which the answers are given, follow each question. 7—What changes in sensation would a per- son have in a ship insulated from gravity? (Page 107) 8—What means of propulsion have planes othet than propellers? (Page 116) 9—What is an up-draft?. What would be its effect on a plane? (Page 120) 10—What is the fate of an object caught in the earth’s atmosphere stream? (Page 128) 11—What would happen to a plane headed up- ward if the ‘“stick’’ refused to move? (Page 156)