Hughes H-4 Hercules

Rarity: Ultra rare

A topic known all over the world: only a few thousand cards.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

5

In collections

Nobody has pulled it yet.

What Wikipedia says

The Hughes H-4 Hercules (commonly known as the Spruce Goose; registration NX37602) is a prototype strategic airlift flying boat designed and built by the Hughes Aircraft Company. Intended as a transatlantic flight transport for use during World War II, it was not completed in time to be used in the war.

Excerpt from the Wikipedia article “Hughes H-4 Hercules”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: SDASM Archives, Public domain, via Wikimedia Commons.