Calorimeter posters & prints

Rumford's calorimeter, 1887 Anonymous

Gravimetric calorimeter John Joly

Colorimeter, after a design by Labilliardiere with modifications by Salleron, 1871 Unknown

Antoine Laurent Lavoisier, French chemist, investigating the existence of oxygen in the air, 1873 Unknown

Antoine Laurent Lavoisier, French chemist, demonstrating his discovery of oxygen, 1776 (1874) Unknown

Robert Wilhelm Bunsen, 19th century German chemist Anonymous

Digital thermometer Anonymous