Engineering topics

Johnson, L. L.

Publications and source records attributed to Johnson, L. L..

3 records

All sources NASA NTRS DOE OSTI

NASA NTRS2002

The lunar crash of 1956: a crater is identified

Explore the source record for details and available documents.

Moon surface processes cratering processes↗

NASA NTRS1969

Quick-acting backup tool for welding ducts

Alignment and backup tool facilitates butt welding of large-diameter ducts. It consists of a circular three-place segmented hoop, a pneumatic piston, and two shoes.

Johnson, L. L.↗

NASA NTRS1961

COMMUNICATIONS SATELLITES AND TELEPHONE RATES- PROBLEMS OF GOVERNMENT REGULATION

Communications satellites and telephone rates, problems of government regulation

SATELLITE↗