The British returned for a 1922 expedition. George Finch climbed using oxygen for the first time. He ascended at a remarkable speed— per hour—and reached an altitude of , the first time a human reported to climb higher than 8,000 m. Mallory and Col. Felix Norton made a second unsuccessful attempt.
The British returned for a 1922 expedition. George Finch climbed using oxygen for the first time. He ascended at a remarkable speed— per hour—and reached an altitude of , the first time a human reported to climb higher than 8,000 m. Mallory and Col. Felix Norton made a second unsuccessful attempt.