West end of passing siding looking east controlled from the direct wire portion of the Dover control machine - - Dover to Rigby CTC - B.& M.R.R.56 views
Switch layout east end of Wells Beach passing siding - Dover to Rigby CTC - B.& M.R.R.55 views
Switch layout east end of passing siding at Wells Beach - Dover to Rigby CTC - B.& M.R.R.54 views
Grand Beach looking east - - Dover to Rigby CTC - B.& M.R.R.54 views
North end Weston, showing typical power service - No.Lima to Roachton CTC - B.& O.RR53 views
Dover to Rigby CTC - B.& M.R.R.53 views
Switch layout west of Wells Beach passing siding - Dover to Rigby CTC - B.& M.R.R.53 views
Looking east at Rollinsford - Dover to Rigby CTC - B.& M.R.R.53 views
Control point looking east at Rollinsford - Dover to Rigby CTC - B.& M.R.R.53 views
52 views
Low voltage dual control switch movement showing switch target operating from slide bar - Dodge City-Kinsley C.T.C. installation - A.T.& S.F.52 views
51 views
Remote power control switches - Parkersburg to Grafton - B.& O.RR50 views
Typical switch layout, lap location, Ottowa, Ohio -No.Lima to Roachton CTC installation - B.& O.RR50 views
49 views
Looking East (North) Elk Grove Calif - C.T.C. on Soutern Pacific R.R.49 views
C.T.C. Installation, Red Oak to Balfour - C.B.& Q.RR49 views
Union dual control low voltage switch & lock movement on crossover switch - Holliday-Olathe A.T.& S.F.49 views
48 views
48 views
C.T.C. Installation, Red Oak to Balfour - C.B.& Q.RR48 views
Looking west at Greenswood, Neb. showing power operated switch layout - C.B.& Q.RR48 views
Crossovers for reversing traffic at Craig, Kansas - Holliday-Olathe A.T.& S.F.48 views
47 views
47 views
47 views
47 views
46 views
C.T.C. Installation, Red Oak to Balfour - C.B.& Q.RR46 views