The Complication

COMPLICATION II — THE BEAT

The Pendulum

Huygens hangs a weight on a wire and time becomes a science — the treatise plates where the escapement learns to count.

The First Pendulum Clock — Horologium Oscillatorium, Christiaan Huygens, 1673

1673

The First Pendulum Clock

The plate where time became a science.

Horologium Oscillatorium — Title Leaf — Horologium Oscillatorium, sive De motu pendulorum, Christiaan Huygens, 1673

1673

Horologium Oscillatorium — Title Leaf

The founding document of precision time, 1673.

A Bracket Clock Movement — Rees's Cyclopaedia, horology plates, After Abraham Rees (ed.), c. 1810s

c. 1810s

A Bracket Clock Movement

English clockwork, drawn for the encyclopaedia age.