Gear wheel - an industrialization symbol

Hello my friends.
We begin the review devoted to gear wheels. I believe that they symbolize progress and development of the industry.

 

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Soviet Union.

 

Romania.

 

Czechoslovakia.

 

Yugoslavia.

 

Yugoslavia yet.

 

German Democratic Republic.

 

Bulgaria.
Gear wheel on the coat of arms.

 

Got some 'modern' gears here, Eugene......

https://catalog.usmint.gov/american...OVATION.html?cgid=american-innovation-1-coins

 

Poland.

 

Very nice coin. Thanks for posting!

 

A pleasure, my friend........

 

Vietnam.

 

Iran.

 

Laos.

 

Macclesfield.

 

Angola.

 

Egypt.

 

Mozambique.

 

More gears here than an Manuel gear box Eugene......[hates automatic]