What if the tube really did contain a flying carpet?
The four tubes each contained a capsule just large enough to accommodate one person at a time.
And the tube containing the optics will be attached to the arm.
You pull the two apart and the inner tube contains the rocket, all ready to go.
Each 4-cm-wide tube contains a stretched wire within a gas volume.
The first two called for a single tube containing two levels of traffic.
The tube containing the gases had to have transparent ends.
To his left the Avenue swept by, a glittering tube containing everything that was real.
While investigating, the team found several big transparent tubes containing some kind of golden fluid.
A Roman candle is a long tube containing several large stars which fire at a regular interval.