Home/Telephone Evolution Devices/Strowger Rotary Exchange1 / 1ItemStrowger Rotary Exchangein Telephone Evolution Devices by Jovan SoldatovicLike this itemFollow Jovan SoldatovicOpen in appStrowger Rotary Exchange on “Telephone Evolution Devices”, a list by Jovan Soldatovic on TheLysts.DetailsYear1892ManufacturerAlmon StrowgerDevice typeAutomatic exchangeForm factorSwitching and dialing systemInterfaceRotary dial call routingKey technologyStepping-switch based routingPlatformAnalog switchingPreviousEdison's Carbon MicrophoneNextWestern Electric CandlestickRelated itemsHooke's String PhoneMorse TelegraphBell's Liquid TransmitterEdison's Carbon MicrophoneReport