How an analog phone line dial worked - GIF

How an analog phone line dial worked.

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Previously:

Cleaning a phone jack with hot glue - GIF
Click farm: many mobile phones combining to create mass fraudulent web traffic - GIF
Hammer and sickle telephone - photo
Rotary cellphone - GIF
Rotary un-Smartphone - photo
Smartphone dental scanner - GIF
Testing a fuse with a cellphone - GIF

For those with an interest in useless trivia, the number they dialed ended up being pretty expensive. Different eras, obviously. Not surprising it resulted in a busy signal.

Snort, snort! Is this the party to whom I am speaking? (Lily Tomlin)