Mary Walton

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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

Figure

Domain

Science and technology

Knowledge cost

2

Influence

3

Resistance

3

In collections

Nobody has pulled it yet.

What Wikipedia says

Mary Elizabeth (born c. 1827) was a 19th-century American inventor and independent engineer who pioneered early environmental protection technologies. She was awarded two major patents for systems designed to mitigate industrial air pollution and urban noise pollution.

Excerpt from the Wikipedia article “Mary Walton”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: None given, Public domain, via Wikimedia Commons.