How do you date an EE 8 field phone?

Dating notes The Order Sequence Number is 7859 out of at least 40172 (the highest FY 1944 sequence number currently in my database). A simple straight-line approximation would put the calendar year date for 7859 at 09 September 1943. So the phone would probably have been delivered in October or November of 1943.

Did they have phones in ww2?

During World War II the phone was preferred to the radio, and the EE-8 was much more reliable than the backpack mounted Walkie-Talkie (SCR-300) and the Handy-Talkie (SCR-536). The phone line, which could be run through a switchboard from a command center, was often run by soldiers during combat situations.

When was the telephone invented?

7 March 1876
On 7 March 1876, Bell was granted US patent 174465A, for a method of transmitting speech by telegraphy—the telephone.

How do you use a crank phone?

This telephone from the 1930s was used in a home in rural Norway and is called a crank telephone. If you wanted to call someone, you had to turn the small crank on the upper right side, which would signal the operator at the local switchboard that someone wanted to make a call.

Do Cup phones actually work?

A string telephone works very much like a landline phone. When you talk into the cup your voice sends sound waves inside the cup, vibrating the bottom of the cup. The vibrations are transferred to the string, across the string and into the bottom of the other cup.

What kind of string do you use for a tin can phone?

cotton string
You will need 2 empty tin cans, a hammer, a nail or screw, masking or duct tape, and a long piece of cotton string or fishing line, about 10 to 30 feet in length.

How was Morse code used in ww1?

They were used to communicate from the front line trenches to the officers, and from nation to nation via telegraph lines throughout Europe and across the Atlantic, telegraph machines allowed governments and their leaders to instantly receive information on troop movements, battle outcomes, and other crucial …

How old crank phones work?

How far can cup phones work?

Tie each end of the string to a paper clip to prevent the string from detaching from the cups. Pull the string taut and have one person speak into one of the cups while you listen through the other. The cups can be used to communicate over distances of up to 100 feet.

What string is best for a cup and string phone?

String a piece of twine between the cups. Use a long piece of string to help the sound travel farther….You’ll need just a few things for this project:

• Styrofoam or paper cups.
• Cotton twine.
• Markers.
• Scissors.

Do tin can phones really work?

The old “two cans and a string” technique (or better yet, “two paper cups and a string”) really does work. The key is to make sure that the string is tight between the two cups, and this normally means that the distance is limited and the two people have to be connected to each other by a straight line.