Aplanatic telescope for soft x rays.
Aplanatic total reflection telescope for celestial X-ray source study from rockets and satellites
X-RAY TELESCOPE↗
Engineering topics
Harmon, N. F.
Publications and source records attributed to Harmon, N. F..
Engineering topics
Publications and source records attributed to Harmon, N. F..
Aplanatic total reflection telescope for celestial X-ray source study from rockets and satellites