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Clock corner reference room

General information

  • Appraising and dating your clock (165KB)
  • Model/type listing (71KB)
  • Simplex acquisition of IBM's clock business (58KB)
  • Time equipment division history (101KB)

Card recorders

  • Engineering data sheet (199KB)
  • Service instructions (1.21MB)

Dial recorders

  • Engineering data sheet (680KB)
  • Service instructions (839KB)

Master clocks

  • Colonial master clock data sheet (PDF, 318KB)
  • Grandfather master clock data sheet (PDF, 318KB)
  • International master clock data sheet (PDF, 318KB)
  • Master clocks, secondaries & control equipment (background information) (PDF, 86KB)
  • Number 13 data sheet (PDF, 423KB)
  • Number 16 data sheet (PDF, 437KB)
  • Number 17 data sheet (PDF, 624KB)
  • Number 21 data sheet (PDF, 318KB)
  • Number 22 data sheet (PDF, 318KB)
  • Number 23 data sheet (PDF, 318KB)
  • Number 24 data sheet (PDF, 318KB)
  • Number 25 data sheet (PDF, 392KB)
  • Number 31 data sheet (PDF, 318KB)
  • Number 32 data sheet (PDF, 318KB)
  • Number 33 data sheet (PDF, 318KB)
  • Number 34 data sheet (PDF, 318KB)
  • Number 35 data sheet (PDF, 435KB)
  • Ornamental master clock data sheet (PDF, 318KB)
  • Parthenon master clock data sheet (PDF, 318KB)
  • Price list (PDF, 89KB)
  • Service instructions (PDF, 2.25MB)
  • Style A (PDF, 1.05MB)
  • Type B & Type C (PDF, 741KB)

Clock corner resources

Clock corner photo album

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