A Transatlantic Tunnel Hurrah by Harry Harrison

Author:Harry Harrison [Harrison, Harry]
Language: eng
Format: epub
Tags: new
Published: 2011-01-15T04:19:23.437000+00:00

“A Brabbage engine, one of the largest and most complex ever made.”

“Beautiful indeed!” Gus answered in sincere appreciation, forgetting for the moment his great unhappiness.“I have never seen one this size before.

I suppose you have a large memory store?”

“More than adequate for our needs as you can see.” He opened a door with a flourish to disclose serried banks of slowly turning silver disks, all of them perforated with large numbers of small holes. Metal fingers riding on rods brushed the surfaces of the disks, bobbing and clicking when they encountered the openings. There was a continual soft metallic chatter going on, along with some hissing and an occasional clatter. From this welter of sound Clarke must have detected an inconsistency because he cocked his head to one side, listening, then threw open the next panel and seized an oil can from the bench behind them. “A fine device, although it does need upkeep.” He dropped oil on the bearings of a cam follower where it rode up and down on the smoothly formed and complex shape of a brass analog cam. “They are making wholly electric Brabbage engines now, calling them computers as if that made a difference, they are much smaller but still filled with bugs. Give me good solid metal anytime, although we do have trouble with backlash in the gear trains.”

“It is all very interesting…”

“Please excuse me, Washington, no excuse really, bit carried away, dreadfully sorry.” He dropped the oil can, flustered, picked it up again, restored it to the bench, closed the panels and pointed to a door across the room. “If you please, now you’ve seen the Brabbage, right through here.

This may interest you more.”

It did indeed, for beyond the door was a great hangar, in the center of which stood the tall, spearlike form of a rocket. Fifty feet or more it reached up, six feet thick at the base, finned and sleek and stern, all of a color, blue-black and striking.

“Black Knight, our best and most powerful rocket. Completely reliable with a most efficient liquid fuel engine that burns kerosene mixed with peroxide. Very delicate controls. Sends back a radio signal as it goes along that is monitored by the Brabbage engine we have just seen, so that course adjustments can be made in flight. Using this we have been most successful in an experimental program that may soon become a standard practice. Rocket mail, the Post Office is interested as you can well imagine, between here and Croydon. They have one of the electric computers there, pick up the signal as Black Knight comes over the Atlantic and guide her in, cut engines and all that, bring her down by parachute…” His voice ground to a halt as Washington turned slowly to stare at him, fix him with a terrible gaze. When he spoke again it was hurriedly, stumbling at times. “No, hear me out please, experimental program, nothing more. Worked every time so far, mail got through, but who knows. Tremendous acceleration.

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