To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
BMW 600
European euphoria that accompanied the end of world war II soon gave way to a deep apathy. The economic crisis caused by the post-war devastation of unemployment and galloping inflation,...
MILITARY VARIANTS of the Il-12
It is natural that interest to the transport plane, superior in its basic parameters of Li-2, has long mastered the air force showed the military. March 11, 1947 issued a decree of the...