- Metro D Route pocket track [01]
- Greenbelt interlocking
- College Park interlocking [01]
- College Park interlocking [02]
- East Falls Church interlocking
- Largo interlocking
- Vienna interlocking
- Metro D Route pocket track [02]
- Silver Spring pocket track
- Largo Town Center interlocking
- Eisenhower Avenue interlocking
- Acela Express door mode switch
- Light switch at Lorton Reformatory
- Scott's House [45]
- Edwards fire alarm pull station
- Vintage US&S railroad signals [03]
- Vintage US&S railroad signals [04]
- Vintage US&S railroad signals [02]
- Vintage US&S railroad signals [01]
- White's Ferry alarm switch
- Interlocking signal at Sheppard-Yonge
- Electrical shutdown switch at JCPenney [01]
- Electrical shutdown switch at JCPenney [02]
- Fire alarm pull station at 2 Pidgeon Hill Drive [01]
- Fire alarm pull station at 2 Pidgeon Hill Drive [02]
- Penthouse at Hotel 24 South [19]
- Penthouse at Hotel 24 South [20]
- Vintage US&S railroad signals [06]
- Vintage US&S railroad signals [05]
- Wheelock Safepath Remote Microphone Station
- Buckingham Branch track in downtown Staunton [01]
- Buckingham Branch track in downtown Staunton [02]
- Vintage US&S railroad signals [07]
- Vintage US&S railroad signals [08]
- Vintage US&S railroad signals [09]
- Norfolk Southern track through Stuarts Draft, Virginia [01]
- Norfolk Southern track through Stuarts Draft, Virginia [02]
- Norfolk Southern track through Stuarts Draft, Virginia [03]
- Norfolk Southern track through Stuarts Draft, Virginia [04]
- Switch at west end of siding in Stuarts Draft, Virginia
- "Don't turn on this heater"
- Interlocking outside of Ashburn station
- Union Switch & Signal builder's plate
- Railroad signal with button copy [04]
- Railroad signal with button copy [03]
- Railroad signal with button copy [02]
- Railroad signal with button copy [01]
- Power outlets at Fair Oaks Mall [01]
- Power outlets at Fair Oaks Mall [02]
- Manual track switch
- Covered red switch at Michaels
- Cord secured behind wall plate
- The Source vending machine at Toronto Pearson International Airport
- Light switch at Shaffer's Barbecue
- Tower 18 interlocking [01]
- Tower 18 interlocking [02]
- Tower 18 interlocking [03]
- Tower 18 interlocking [04]
- Tower 18 interlocking [05]
- Tower 18 interlocking [06]
- Tower 18 interlocking [07]
- Tower 18 interlocking [08]
- Elevator at Sherman Garden Apartments [02]