Design and features
Candlestick telephones were designed with varying features. Most recognizable, candlesticks featured a base with a vertical cylindrical neck extending upright for up to in length. At the top of the stand was mounted a carbon microphone (''transmitter'') to speak into, and a switch hook extending sideways upon which an earpiece (''receiver'') was hung. To make or answer a telephone call, the user lifted the receiver off the switch hook, activating an internal switch connecting the telephone to the telephone line. Candlestick telephones required the nearby installation of a subscriber set (''subset'', ringer box), which housed the ringer to announce incoming calls and the electric circuitry (capacitor, induction coil, signaling generator, connection terminals) to connect the set to the telephone network. When automatic telephone exchanges were introduced, the base of a candlestick also featured a rotary dial, used for signaling the telephone number of the call recipient.Production
Candlestick telephone models were produced by many manufacturers. The main producers of these telephones were Western Electric (a unit ofSuccessor telephones
When Western Electric had sufficiently developed modern handset design in the 1920s, the Western Electric candlesticks were superseded by a series of new desktop models of hand telephone sets, starting with the Type A handset mounting in 1927. This was essentially a candlestick telephone that had its vertical tube-shaft shortened to about in height above the round base, and had a cradle on top of it, designed to hold a combined handset with both the receiver and the transmitter in the same unit. The cradle contained a plunger that operated the hook switch in the base below. The A1 was only distributed for a short time until the B-type telephone mount was completed the same year, a streamlined design that replaced the tube shaft with a sculpted cone shape. By 1930 this round base was redesigned into the elliptical-footprint D handset mounting to avoid instability of the unit when dialing. In the same period, the electric circuitry was upgraded to produce the model 202 telephone, which reduced the strong sidetone characteristic of earlier designs.Accessories
The Hush-A-Phone was an accessory for candlestick telephones, similar in appearance to a miniature megaphone, created in 1920 for slipping over the candlestick phone. It was intended to reduce noise pollution and increase privacy during calls.See also
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