In the middle of the last century
the economy in Europe took off.
It is also called economic miracle.
Many new companies produced many new products. They were very successful and sold a lot.

Some products were available in many versions
and for very different target groups.
Mechanical devices were for example:
Typewriters or photographic equipment.
These products had to be operated by hand.

At the same time, the electricity network improved. Therefore, there were also many electric devices for everyday life.
For example:
shavers, radios or blenders.

All mechanical or electrical devices made special sounds.
We often associate these sounds with these old times.