Ventilation, Purge, and Chilldown System Control panel, 19 x 10.5 x 18, featuring numerous lit indicators, toggle switches, and gauges. The bottom of the panel is labeled “Saturn-IVB Engine Preparation,” and the main sections are labeled “Control Bottle,” “Start Tank,” and “Purge and Chilldown.” The reverse of the panel is labeled in black text with part number “40M07852-9 Assy.” McDonnell Douglas and NASA Kennedy Space Center inspection stickers are affixed on the left side of the panel. A few loose parts and indicators, otherwise fine condition.