Postcards produced by German chocolate company Hildebrands
Postcards of the year 2000
A Quick Stroll on the Water
The Moving Pavement
House-Moving by Train
Televised Outside Broadcasting
Personal Flying Mchines
Weather Control Machine
Combined Ship and Railway Locomotive
Undersea Tourist Boats
Roofed Cities
Personal Airships
Summer Holidays at the North Pole
Police X-Ray Surveillance Machine
