Magneto Phone
In the days of hand-cranked telephones, a rotating coil of copper wire inside these five "horseshoe" magnets produced a current that signaled the phone company operator that you wanted to make a call.
Shot for Our Daily Challenge :“Electromagnetism”
1,138
views
33
faves
17
comments
Uploaded on April 21, 2022
Taken on April 20, 2022
Magneto Phone
In the days of hand-cranked telephones, a rotating coil of copper wire inside these five "horseshoe" magnets produced a current that signaled the phone company operator that you wanted to make a call.
Shot for Our Daily Challenge :“Electromagnetism”
1,138
views
33
faves
17
comments
Uploaded on April 21, 2022
Taken on April 20, 2022