they are telephones....
The first telephone was created in 1861 by Phillip Reis. That means the first telephone is 148 years old.
Plain old Telephone Service
Old chicago
About 28 years old.
29
cherry mobile
A transmitter capsule on a telephone is a part of the headset. It is typically only a part of a telephone, however, on old rotary phones.
"Most office telephone systems are more than one year old. The life of the office telephone system depends on the durability of the system, the abuse it is put through, and its usage."
The best web site offering old or antique telephones would be The Old Telephone. They have a variety of styles such as the Eiffel Tower, the Candlestick, the Swiss Wall and plenty more.
That kind of information is privileged.
Plain Old Telephone Service