Possible Clues:

• Keenness of perception
• In Manchuria, try taking turns to gain wisdom
• Perception shown by university in a large town
• Keenness of vision of university in a place like Bristol
• Sharpness of vision or a quick intelligence
• Sharpness of turn in a built-up area
• A union leader in Leeds, say, displays sharpness
• A union leader, in Coventry perhaps, displays sharpness
• Showing ingenuity found centre in metropolis
• Always admit copper with sex appeal and sharpness