Technicians work at Jet propulsion Laboratory in Pasadena California. Technician inserts high powered transmitter into base of payload assembly of the satellite unit. Technician attaches Fiberglass superstructure. He inserts low powered transmitter at top of pay load package. A ceramic strip casing (skin) is placed over instrument assembly. Nose cone is attached to assembly. Technicians attaching finished instrument package. Technicians work on the recorder. 21 February 1958.
Draftsmen working on drawing in the drafts room at Jet Propulsion Laboratory,Pasadena, California. A person walks to the draftsman table and they discuss about the drawing. 24 February 1958.
Machinist lathes fiberglass base for instrument package and checks the cut with gauge. 24 February 1958.
Security check at California Institute of Technology, Pasadena, California. Security guard stops an army staff car at the gate. Car is allowed to enter after identification. Guard room with several guards is also shown.
Computer operation at California Institute of Technology,Pasadena, California. A female technician works on digital computer and reads the tape on auto typewriter. Two men operates "Vari-Plotter" analog computer. Various other machines are shown in the background.
Technician adjusts settings by moving knobs on control board of a setting instrument at California Institute of Technology,Pasadena, California. The instrument is set to record dates from the test pits.