Northern Pacific Engineering Drawing: 125 Foot Frame Round House, 135 Foot Turntable. Sheet DR - 45 - 18, undated.
Northern Pacific Engineering Drawing: 125 Foot Frame Round House, 135 Foot Turntable. Sheet DR - 45 - 18, undated.
Northern Pacific Engineering Drawing: Detail - Center Pier Block, 135 Foot Turntable. Sheet DR - 66 - 10, undated.
Northern Pacific Engineering Drawing: List - Drawing Number, 135 Foot Turntable. Sheet LD, undated.
Northern Pacific Engineering Drawing: Reinforcing Turntable, 135 Foot Turntable. Sheet E5, undated.
Northern Pacific Engineering Drawing: Shop Plan - Bolts, 135 Foot Turntable, undated.
Northern Pacific Engineering Drawing: Shop Plan - Bronze Disk, 135 Foot Turntable. Sheet 2M, undated.
Northern Pacific Engineering Drawing: Shop Plan - Bronze Disk, 135 Foot Turntable. Sheet 2M, undated.
Northern Pacific Engineering Drawing: Shop Plan - Center Casting, 135 Foot Turntable. Sheet 1M, undated.
Northern Pacific Engineering Drawing: Shop Plan - Circuit Bars, 135 Foot Turntable. Sheet DR - 66 - 10, undated.
Northern Pacific Engineering Drawing: Shop Plan - Control Equipment, 135 Foot Turntable. Sheet DR - 45 - 18, undated.