bakerlite
1930's
what do they call a radio in the 1930's? radios
1973 by Martin Cooper. The idea actually began in the 1930's with police radios.
Automobiles and airplanes were made for transportation. Radios and movies came out as well, thus improving communication.
Radios are made around the world by different manufacturers. For instance, Sony radios are made in the country of Japan.
The transistor!
Two way radios were invented as a means of portable, man carried communication.
Phonographs (voice recorders) , radios, and telephones Actualcy i just asked my mom who lived in the 1930's and she said that voice recorders were not even invented yet. But she did say that payphones were common along with radios. your mom is so wrong then its the email and cellphones That persons mom is so rite!!
A copy of any US coin has no numismatic value and their worth is limited to the value of the materials it is made of.
1936
the radio was made by materials like cooper and metal for the inside and plastic on the outside
in 1930 in 1930