In Photos: Inside Cambridge's Historic Tower Clock

More than 130 years after its installation atop the Cambridge City Hall, a mechanical tower clock – wound by hand each week – continues to chime. Crimson photographers followed David W. Graf, the clock’s steward for the past 30 years, as he wound the clock for the last time before the building undergoes a 15-month facade renovation.

Cambridge City Hall Clock Tower Frame

Cambridge City Hall Tower Clock Cover

Cambridge City Hall Renovations

Cambridge City Hall Bell Hammer

Clock Tower Gears Close-Up

Cambridge City Hall Clock Tower Gears

Clock Tower Internal Face

Dean of Students Dunne Portrait

Dean Khurana Interview