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Vintage Tube Radio Tuner Dial Cord
24 feet of braided nylon replacement cord, .8mm in size which is recommended for "Thin" or "Standard" diameter (.031"), depending on particular model, will work in such brands as RCA, Philco, GE, Airline, Silvertone, Westinghouse, Motorola and Zenith to name a few.
Braided nylon cord is perfect for radio dials and is superior to twisted cord which can unravel and become frayed. A dial cord is subject to friction whenever the set is tuned and must therefore possess reasonable resistance to abrasion. Nylon cord performs excellently in this respect.
A very important property for a dial drive cord is that it have a high coefficient of friction. This requires that the cord should not become smooth or slick during use. The type of thread used for the braid, the diameter of the strands and the method of braiding determine its performance and life in this respect.
Should the cord ever become smooth or slick during use, coat the cord with violin rosin. Violin rosin is made in a block, built into a wooden holder. Simply drag the cord across the rosin block until it is well coated, then install the cord on the dial drive assembly of the radio.Radio dial cord, also known as tuning cord or string, is a component used in older radio sets to control the tuning mechanism. It consists of a thin, flexible string or cord that is connected to the tuning knob or dial, and is threaded through a series of pulleys and gears inside the radio's chassis.
When the tuning knob is turned, the dial cord rotates the tuning mechanism, which in turn adjusts the radio's frequency to the desired station. The tension of the cord is important for ensuring accurate tuning, and adjustments may need to be made over time as the cord stretches or wears.
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