G0 Spectrometer Collimator Manufacturing Drawings (cast lead pieces) DRAWING NO. REV. TITLE E-2922-7 A UP primary collimator (RT), sheet 1 E-2922-13 B Upstream collimator starboard block (RT) E-2922-14 B Upstream collimator port block (RT) D-2922-17 A Upstream collimator upstream block 3 (RT) E-2922-23 Upper primary collimator, sheet 2 E-2922-30 LOS-LP collimator block (RT) E-2922-31 Upstream collimator block 1-2 (RT)