Mercury would only appear an an old tube radio which uses a mercury-vapor rectifier.
These are pretty rare, and glow either green or blue, as opposed to a normal tube's orange/red color.
Valve is another term for vacuum tube, used in old radios.
No, radio communications are not only used with 2 way radios. They can be picked up on many frequencies, that are not necessarily considered to be 2 way radios.
Auomatic Frequency Control. Newer radios have it too. It's just not advertised and there is no longer a switch to turn it off like on the old radios.
Marine band radios are two-way radios which are used either in a military setting or by officers for easy communication. The purpose of these radios is to get a greater range of communcation.
Cobra MicroTalk radios are two way radios or walkie talkies that allow you to keep in contact with someone a certain distance away without making a phone call.
No, old radios do not contain red mercury. Red mercury is a mythical substance that is rumored to have magical properties and is often associated with urban legends and scams. It is not a real or scientifically recognized substance.
Valve is another term for vacuum tube, used in old radios.
They have become popular old
The element highly toxic and used in transistors is arsenic. It is commonly found in old radios and semiconductor components due to its semiconductor properties in creating p-type regions.
Tube Choke Condensor Vibrator (used in HV battery supplies) Valve is another term for vacuum tube, used in old radios.
Mercury used to have river valleys, but now they are old and dried-up.
More likely used for a toy car.
Mercury. Note: mercury is very toxic. If you find mercury (for example, if you break an old mercury thermometer), check with your local poison control center for instructions to dispose of it safely.
The metalloids is combined in transistor radios to make them of high quality.
Commercial truck drivers do commonly used CB Radios. As for Cobra CB Radios, the commonness would depend on where the professional truck is and if the Cobra CB Radios are offered and popular in that location.
No, radio communications are not only used with 2 way radios. They can be picked up on many frequencies, that are not necessarily considered to be 2 way radios.
Auomatic Frequency Control. Newer radios have it too. It's just not advertised and there is no longer a switch to turn it off like on the old radios.