Heckmannvacuum sugar apparatus posters & prints

Vacuum Sugar Apparatus C.M. Ferrier & F. von Martens

The International Exhibition: Sugar-Refining Apparatus, 1862, Messrs. Caile And Co. Of Paris Anonymous

Vacuum Apparatus, Pontifex and Wood C.M. Ferrier & F. von Martens

Spectroscopic apparatus Anonymous

Electrical apparatus Unknown

Distillation, 1500 Unknown

Distillation, 1882 Anonymous

Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895 Unknown

Apothecaries’ scales H Martin

Hooke's microscope with condenser for concentrating light, 1665 Unknown

Scientist Looks Into Instrument Eyepiece Anonymous