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Western Electric hand telephone sets. A typical Western Electric hand telephone set of c. 1930. It consists of a handset mounting with the handset held in a cradle, and a subscriber set mounted against a wall or vertical surface in close proximity. Shown is a B1A hand telephone set, also known as the type 102B-3 hand telephone set.
A 1959 Western Electric model 554 wall phone, derived from the model 500 desk phone. It uses the same internal components, dial, and handset as a desk phone. Several telephone models were derived from the basic model 500, using some of the same components. The model 554 was a wall-mounted version.
A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this ...
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 to transmit the destination telephone number to a telephone exchange. On the rotary dial, the digits are arranged in a circular layout, with one ...
A 220 Trimline rotary desk phone, showing the innovative rotary dial with moving fingerstop Early Touch Tone Trimline with round buttons and clear plastic backplate and round non-modular handset cord Redesigned touch-tone desk model Trimline, manufactured on January 9, 1985 The Trimline 2225, one of the last phones made at the Indianapolis Works in 1986 Early foreign made Trimline, December ...
Model 302 telephone. The model 302 telephone is a desk set telephone that was manufactured in the United States by Western Electric from 1937 until 1955, and by Northern Electric in Canada until the late 1950s, until well after the introduction of the 500-type telephone in 1949. The sets were routinely refurbished into the 1960s.
Originally, lineman's handsets featured a rotary dial, but modern sets use some variant of the standard 12-button DTMF keypad and also employ an amplifier for speaker use. Most handsets are designed to be used with analog " POTS " lines, and have limited or no function with digital circuits. Older telephone linemen also referred to the handset ...
An old rotary dial telephone AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly.