800 DIA. CHAMBER, 1 IN. 200, ZERO LEVEL, VARIED ANGLES (EVERY 15°): 800 DIA. CHAMBER, H.1250, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS
800 DIA. CHAMBER, H.1500, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS
800 DIA. CHAMBER, H.1750, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS
800 DIA. CHAMBER, H.2000, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS
800 DIA. CHAMBER, H.2250, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS
800 DIA. CHAMBER, H.2500, 1 IN. 200, ANGLE 15, ZERO LEVEL, WITH STEPS