The Crazy Ray

Paris Qui Dort literally Paris which sleeps is a 1925 French science fiction comedy silent short film directed by Ren Clair. Also released as Le rayon de la mort, its international Englishlanguage titles were The Crazy Ray and Paris Asleep. It has also been released in the USA as At 325.

The film is available on the RegionCriterion DVD release of another Clair film, Under the Roofs of Paris 1930. It is also available for free at the Internet Archive.

Source: Wikipedia