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**Mechanical Orchestra & Toys**: Ancient China, Han Dynasty. | **Mechanical Orchestra & Toys**: Ancient China, Han Dynasty. | ||
- | =====85 A.D.===== | + | < |
- | **On Automatic Theaters, On Pneumatics, and on Mechanics**: | + | =====85===== |
+ | |||
+ | **"On Automatic Theaters, On Pneumatics, and on Mechanics"**: Hero of Alexandria | ||
+ | |||
+ | =====1206===== | ||
+ | |||
+ | **"The Book of Knowledge of Ingenious Mechanical Devices" | ||
=====1960====== | =====1960====== |