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A six-cylinder model was formed by a combination of two groups of three cylinders each, acting upon a double-throw crankshaft; the two crank pins were set at 180 degrees to each other, and the cylinder groups were staggered by an amount equal to the distance between the centres of the crank pins.
Doctor Frederick Rodebush sat at the control panel of Triplanetary's newly reconstructed space-ship, his hands grasping the gleaming, ebonite handles of two double-throw switches. Facing the unknown though the physicist was, yet he grinned whimsically at his friend. "Something, whatever it is, is about to take place. The Boise is taking off, under full neutralization.
You can buy a double-pole, double-throw switch mounted on a porcelain base for about 75 cents and this will serve for Set No. 1. Screw this switch on your table between the sending and receiving sets and then connect one of the middle posts of it with the ground wire and the other middle post with the lightning switch which connects with the aerial.
You can buy a double-pole, double-throw switch mounted on a porcelain base for about 75 cents and this will serve for Set No. 1. Screw this switch on your table between the sending and receiving sets and then connect one of the middle posts of it with the ground wire and the other middle post with the lightning switch which connects with the aerial.
The Horus ran in overdrive for two days while a low-power unit was built in its engine-room, to go in parallel to the normal overdrive. But there was a double-throw switch in the line, now. Either the standard, multiple light-speed overdrive could be used, or the newer and vastly slower one, but not both together. The ship came out of overdrive in absolute emptiness with no sun anywhere nearby.
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