Rooftops

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Helicops

Description

Small, private flyers for business commuting.

Novel

The Black Star Passes

Author

John W. Campbell

Built

Yes

Year Made

1940s

Companies

Product

Helicopters

coming soon

// TECHNOLOGY–SECRETS–WORTH-SHARING PUBLISHED 18.04.21 FILE SIZE 497 KB FILE FORMAT MP4

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“The best way to keep a secret is to shout it from the rooftops” – Edwin Land

Rooftops