Widespread, cassette radio. Storage cassettes make a simple stand as shown in the figure.
Recommend to read
THE SPEED CHANGE RODS
As you know, for different road conditions: descents, climbs — many types of bikes use a block of sprockets of different diameters for changing torque to the rear driving wheel. These...
BIOGAS ON THE FARM
«Dear editorial board! While reviewing back issues of 'Modelist-Konstruktor' from previous years, I became interested in materials about biogas published in issues No. 1'87, 5'88, 4'96 of...