Endless Amusement (1820)

A collection of “nearly 400 entertaining experiments in various branches of science, including acoustics, arithmetic, chemistry, electricity, hydraulics, hydrostati…more

The Mechanism of Human Physiognomy

Plates from Guillaume-Benjamin Duchenne’s ‘Mécanisme de la Physionomie Humaine’, published by Jules Renouard, Paris, in 1862. By applying electrodes to male …more