Improvements in the fixed selection devices for circular global telescopic telescopics. (Machine-translation by Google Translate, not legally binding)

摘要

Cajetin of lodging of the selectoral cams, in circular telescopes of gun of point. It is formed by a central body with a passing opening; in its front and rear faces there is a grid of horizontal openings (for the vertical guide of the cams), and an exterior cover with a vertical slot for the horizontal guide of the cams; there are a means to hold the cams in your work or rest position. (Machine-translation by Google Translate, not legally binding)