![](images/icons/most_viewed.png) Most viewed - S-1 Switch Movement
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![Filename=c-31625.jpg
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S-1 Switch Movement58 views
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![Filename=c-31666.jpg
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S-1 switch movement56 views
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![Filename=c-32173.jpg
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Passenger train trailing through S-1 mechanically locked spring switch at 50 m.p.h., Birmingham, Mo. - Wabash RR56 views
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![Filename=c-32171.jpg
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Looking east toward end of double track and S-1 spring switch movement, Birmingham, Mo., Wabash RR55 views
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![Filename=c-32329.jpg
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S-1 Mech. Facing Point Lock for Spring Switch at Potts Grove, Readng System55 views
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![Filename=c-32602.jpg
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Spring switch installation at Carden, Kan. on Union Pacific55 views
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![Filename=c-31624.jpg
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S-1 Switch Movement54 views
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![Filename=c-32174.jpg
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S-1 mechanically locked spring switch layout on the Wabash at Birmingham, Mo.54 views
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![Filename=c-34299.jpg
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Spring switch installation at Haverhill, Ia. on the C.M.St.P. & P.54 views
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![Filename=c-34301.jpg
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Spring switch installation on the C.M.St.P. & P.54 views
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![Filename=c-31675.jpg
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Spring Switch installation on the P.& L.E. RR at New Castle, PA53 views
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![Filename=c-32175.jpg
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Wabash eastbound freight trailing through S-1 facing point lock spring switch. Birmingham, Mo., about 45 or 50 mi. per hr.53 views
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![Filename=c-31635.jpg
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Spring Switch installation, Wabash R.R.52 views
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![Filename=c-32172.jpg
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Looking west toward S-1 spring switch layout on Wabash at Brimingham52 views
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![Filename=c-32176.jpg
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Wabash high speed movement over mechanically locked spring switch, Birmingham, Mo.52 views
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![Filename=c-32343.jpg
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S-1 Mech. Facing Point lock at Potts Grove, Readng System52 views
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![Filename=c-34300.jpg
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Spring switch installation on the C.M.St.P. & P.52 views
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![Filename=c-35273.jpg
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Spring switch installation at Carden, Kan. near Marysville - Union Pacific RR52 views
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![Filename=c-31636.jpg
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Spring Switch installation, Wabash R.R.51 views
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![Filename=c-31637.jpg
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Spring Switch installation, Wabash R.R.51 views
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![Filename=c-31638.jpg
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Spring Switch installation, Wabash R.R.51 views
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![Filename=c-31677.jpg
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Spring Switch installation on the P.& L.E. RR at New Castle, PA51 views
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![Filename=c-34304.jpg
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Spring switch installation at Ferguson, Ia. on the C.M.St.P. & P.51 views
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![Filename=c-34306.jpg
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Spring switch installation on the C.M.St.P. & P.51 views
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![Filename=c-32330.jpg
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S-1 Mech. Facing Point Lock for Spring Switch at Potts Grove, Readng System50 views
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![Filename=c-31676.jpg
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Date added=Mar 25, 2017 c-31676.jpg](albums/union_switch/p_books/s-1_switch_movement/thumb_c-31676.jpg)
Spring Switch installation on the P.& L.E. RR at New Castle, PA49 views
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![Filename=c-32177.jpg
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Passenger train trailing through S-1 mechanically locked spring switch at 50 m.p.h., Birmingham, Mo. - Wabash RR49 views
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![Filename=c-34302.jpg
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Spring switch installation on the C.M.St.P. & P.49 views
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![Filename=c-35274.jpg
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Date added=Mar 25, 2017 c-35274.jpg](albums/union_switch/p_books/s-1_switch_movement/thumb_c-35274.jpg)
Spring switch installation at Carden, Kan. near Marysville - Union Pacific RR49 views
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![Filename=c-31626.jpg
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S-1 Switch Movement47 views
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![Filename=c-34305.jpg
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Spring switch installation at Haverhill, Ia. on the C.M.St.P. & P.47 views
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![Filename=c-34303.jpg
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Spring switch installation on the C.M.St.P. & P.46 views
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