The Roswell Report: Fact vs. Fiction in the New Mexico Desert

Open Appendix Pressure operated ballast valve (Dribbler) actuated by 30th contact of radiosonde baroswitch. 15' dia.-.008" thick polyethylene Balloon. H.A.Smith Inc. Reinforced blow-out patch to be opened by Time-clock. Bridle of 9 nylon lines, each 150 # test, 13' long, served to a thimble and attached to reinforced patches at alternate seams. Payload in picture frame mount, and payload transmitter FIG.42 74. 5 mc. Radiosonde with 20'end fed antenna. Heavy duty batteries in black boxes, polyethylene w.rapped. Plastic ballast Reservoir with 3,000 gr ballast. NYU BALLOON PROJECT FLIGHT 10 Date 7-5-47 ED-48-42