A Zeppelin is a type ofrigid airshipdesigned in the late 19th and in the early 20th century by the Count Ferdinand Adolf Heinrich August Graf von Zeppelin. They were made from rigid light-alloy skeleton; such is duralumin, constructed of rings and longitudinal girders. The first were construct...
Tracing the development of the airship, this book relates the struggles of the early pioneers, from the Montgolfier brothers, and the parallel of the hydrogen balloon. Throughout the 19th century, "Aeronauts" learned the skill of aerial navigation, making lost distanc... (展开全部) 我来说两句...
Tracing the development of the airship, this book relates the struggles of the early pioneers, from the Montgolfier brothers, and the parallel of the hydrogen balloon. Throughout the 19th century, "Aeronauts" learned the skill of aerial navigation, making lost distance flights in an unfamiliar el...
A Lamannian island might have a pool of water that never runs dry, or a river that forever flows off the edge of the island and spilling down onto the world below; both are replenished from Lamannia, and have the purity imbued by the Primordial Matter trait of that plane. Lamannian i...
sustained an on-going dialogue with the spirits of the dead. Jung’s Seven Sermons for the Dead, a gnostic tract written at the spirits’ insistence during the depths of World War I, begins, “We have come back from Jerusalem where we found not what we sought.” Like Swedenborg, Jung ...