Beam Beam bottom Main Arm Main Arm Bottom

Main Arm Bottom2 Weight selector Weight Selector Closeup Weight Selector Closeup2

Weight Selector side Lift Mechanism First Surface Mirrors Case Front Top

B15 Label Air Damper Air Damper2 Air Damper bottom

Air Damper3 Air Damper bottom 2 Damper cover plates Damper holders

Damper holders bottom Optical path cover Optical path cover bottom Selector knobs