Clock corner reference room

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

• Engineering data sheet (199KB)
• Service instructions (1,241KB)

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

• Colonial master clock data sheet (318KB)
• Grandfather master clock data sheet (318KB)
• International master clock data sheet (318KB)
• Master clocks, secondaries & control equipment (background information) (86KB)
• Number 13 data sheet (423KB)
• Number 16 data sheet (437KB)
• Number 17 data sheet (624KB)
• Number 21 data sheet (318KB)
• Number 22 data sheet (318KB)
• Number 23 data sheet (318KB)
• Number 24 data sheet (318KB)
• Number 25 data sheet (392KB)
• Number 31 data sheet (318KB)
• Number 32 data sheet (318KB)
• Number 33 data sheet (318KB)
• Number 34 data sheet (318KB)
• Number 35 data sheet (435KB)
• Ornamental master clock data sheet (318KB)
• Parthenon master clock data sheet (318KB)
• Price list (89KB)
• Service instructions (2,306KB)
• Style A (1,078KB)
• Type B & Type C (741KB)