"Good-morning," he said to the man who had instructed him concerning the Tube.
There was a sneer on the monster as he pressed something on the tube.
The Viceroy turned suddenly, stared at them, fingering his tube.
Ned closed his hand on the tube of the bazooka and it was so much old drainpipe.
There were only a Ruhmkorff coil and Crookes (vacuum) tube and the man himself.