Two items: an official NASA manual entitled "Skylab Experiments," printed by the Office of Manned Space Flight, 211 pages, 7.75 x 10.25, dated August 1972, containing a total of seven chapters—The Skylab Experiment Program, Life Sciences, Solar Physics, Earth Observations, Astrophysics, Material Science and Manufacturing in Space, and Engineering and Technology Experiments—with an additional appendix of 13 sections relating to radiation, thermal control coatings, crew quarters, astronaut maneuvering equipment, navigation sightings, and more; and a large color first edition of the Skylab 4 (SL-4) Mission Chart, 56 x 23.75, dated November 1, 1973, showing the orbit groundtrack data for the mission's first 71 revolutions. Lithographed by DMAAC 11-73 (3CTEA-DJ8), and prepared and published by the Defense Mapping Agency Aerospace Center. In very good to fine condition, with soiling and toning to the covers of the booklet; the map is in fine, folded condition.
Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.