Related Clues:

• Tailor's measure
• See 74-Across
• Kay chaser
• Architec-tural addition
• Increase by
• Cause an increase
• Do simple math
• Conduit bend
• Throw into the mix
• Throw in
• Museum section
• Plumber's piece
• Architect's add-on
• The president's is west
• Mansion part