The Circulatory System

An Emir rewarded him for his services.

• An Emir rewarded him for his services.
• To the access of the royal library of the Samanids, well-known patrons of scholarship and scholars.
• When the library was destroyed by fire not long after, the enemies of Ibn Sina accused him of burning it

Encyclopedia Mi'yar al-'aql (The Measure of the Mind)

• Encyclopedia Mi'yar al-'aql (The Measure of the Mind)
• Science of ingenious devices:
• simple machines
• lever
• pulley
• screw
• wedge,
• windlass

• Levers can be used to exert a large force over a small distance at one end by exerting only a small force over a greater distance at the other.

A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

• A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.