Rotary dial
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A rotary dial is a component of a telephone or a telephone switchboard that implements a signaling technology in telecommunications known as pulse dialing. It is used when initiating a telephone call
A traditional North American rotary telephone dial
The LM Ericsson Dialog from the 1960s that remained popular in Sweden and Finland up until the 1980s
Swedish rotary telephone. The 0 precedes 1.
A 1931 Ericsson rotary dial telephone without lettering on the finger wheel, typical of European telephones. The 0 precedes 1.
Telephone number
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A telephone number is the address of a telecommunication endpoint, such as a telephone, in a telephone network, such as the public switched telephone network. A telephone number typically consists of
A Swiss rotary telephone dial from the 1970s showing the telephone's number (94 29 68), along with those of various local emergency services
Telephone numbers for sale in Hong Kong
A business card from Richard Nixon's first Congressional campaign in 1946. His telephone number can be seen as "Whittier 42635".
Face of a 1939 rotary dial showing a 2L-4N style alphanumeric telephone number LA-2697