Demonstrating oxygen mask. After arriving at 11,000 feet altitude fresh from sea level, one often feels the need to perk up a little with oxygen before starting the day’s work.
Photo Category: Observatory - Mauna Loa - Clean Air Facility
Photo Location: Mauna Loa, Hawaii
Photo Date: 1982 February
| Added On | 20th October 2015 |
| Viewed | 5 viewed |
| Downloads | 1 Downloaded |