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

MATERIAL - BLOWN PYREX GLASS AIR CHAMBER - 3" LONG INSIDE DIA. - 30MM. LIGHTWEIGHT STOPCOCK - 3MM. BORE - NORMALLY OPEN TO ATMOSPHERE - CLOSED IMMEDIATELY BEFORE BALLOON ASCENT. MONEL WIRE - 22 GAGE PLATINUM WIRE - 22 GAGE LEADOUT WIRES SHOULD PROJECT ¾" MINIMUM. WRAP WIRES IN TUBE AROUND GLASS BOSSES TO ANCHOR. CAPILLARY TUBING - 2 MM. BORE - BOTTOM TIP SHRUNK DOWN TO 0.75 ± 0.25 MM. PLATINUM WIRE CONTACT SEALED INTO CAPILLARY MERCURY TIP OF CAPILLARY TO TIP OF PLATINUM WIRE CONTACT - 8 ± 2 MM. FIG. 14 NYU BALLOON PROJECT MINIMUM PRESSURE SWITCH (MERCURIAL) DATE: 3-9-48 SCALE: FULL DWN. BY 3.6. ED 48-33