X-15 ejection
seat
This ejection seat diagram is
Figure 1-14 (Page 1-44) in the 1962 X-15 Flight Manual. The
seat was designed for use at speeds up to Mach 4 and altitudes up to
125,000 feet.
The ejection
seat image below extracted
from NASA photo ECN-1695 by digitally painting out the background and
touching up
minor details. The original photo shows an ejection seat removed
from
an X-15 at NASA Dryden. For more information on the X-15 ejection
seat a good source on the web is TheEjection Site