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Updated: May 10, 2025
With two of them straddling the I-beam, the leverage was great enough to pull the plate out. Running it over to the elevator, they lowered the heavy mass, disconnected the cable, and rode down to Arcot's laboratory. Again the I-beam and handling machine were brought into play, and the plate was unloaded from the car. The five men gathered around the amazing souvenir from another world.
He found that the most commonly used section in his specifications, a twelve-inch I-beam, was listed under the English custom as weighing fifty-four pounds per foot, whereas the standardized American section, which possessed the same carrying strength, weighed four pounds less. Here was an advantage of eight per cent. in cost and freight!
Stern silently wormed in between a corroded steel I-beam and a cracked granite block, about the edges of which the small green tendrils of a vine had laid their hold. This way, then that, he craned his neck. And all at once, with a sharp breath, he grew rigid in horrified, eager attention. "Great Lord!" he whispered. "What?"
Since the ship was made of the Venerian metal, coronium, which was only slightly magnetic, the plate was obviously the magnet's only load. "Never mind. I'll tell you later. Get an I-beam, say about twenty feet long, and see if you can't help lift that crazy mass. I think we ought to manage it that way." And so it proved.
The supporting truss beneath the wings, which was such an outstanding feature of its prototype, has been dispensed with, the usual I-beam longitudinals being used in its stead. The latest machines fitted with 100-120 horse-power Mercedes motors have a fine turn of speed, possess an enhanced ascensional effort, and are far simpler to control.
A little fragment of loose marble, long since ready to fall, dislodged itself and bounced with a sharp click against the steel I-beam over which they were both peeking.
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