On the Fragility of Craft
The Finest Mechanisms
Were the First to Decay
Clockwork & Automata
38% — 322 surviving examples
Spring-Driven Mechanisms
24% — 203 surviving examples
Water Clocks & Clepsydrae
18% — 153 surviving examples
Astronomical Instruments
12% — 102 surviving examples
Sundials & Calendars
8% — 67 surviving examples