https://www.metmuseum.org/art/collection/search/660955
Jacob Christian Hansen Ellehammer - Ieyl. stjerneformet Motor Standard Type. 50HK. - The...
Unaware of the Wright brothers' success, the Danish engineer Ellehammer worked in isolation to invent a means of flight, a feat he achieved on September...
jacob christianstandard typehansenellehammer
https://christianellehammer.dk/
Christian Ellehammer
christianellehammer