File talk:Pulley3a.png

Hm....

My opinion is: This picture contains a mistake...

It should be:

1/2 - 1/2 - 1/4 in the first line.

1/4 - 1/4 - 1/4 - 1/4 - 1/4 in the second,

1/2 - 1/2 in the third and

1 in the fourth.
 * Added a comment on original description page: commons:Image talk:Pulley3a.png, Erkan Yilmaz uses the Chat (try) 07:40, 28 June 2008 (UTC)