30 LINE 100 LINE 4002 4119 4200-D 4253 7020 7030 47001 CORONET MX 5 OCS300 SAPPHIRE UNIMAT STC SWITCHBOARD PICTURES - Switchboards that are unknown models ASSOCIATED COMPANIES STC HISTORY STC TELEPHONES STC FIRE SYSTEMS STC FACTORY PICTURES WESTERN ELECTRIC MACHINE SWITCHING SYSTEM
STC SWITCHBOARD PICTURES - Switchboards that are unknown models
ASSOCIATED COMPANIES
STC HISTORY
STC TELEPHONES
STC FIRE SYSTEMS
STC FACTORY PICTURES
WESTERN ELECTRIC MACHINE SWITCHING SYSTEM
