That's the Pegasus. Goes up and down. Side to side is probably a bit more difficult.

They took the term "airship" quite literally.

A staple of boy's literature: the authoritative arrest and the compliant crminal.

So: How shall we destroy the vessel this time? Never mind the why; it's a given that Frank will lose his invention at the end of every story, as if he needed a spur to make him build something new.

A can of powder fell of the shelf.

Safety, Frank: it's job #1.