Eckardt Collection

Portrait of Johann Ludwig von Eckardt (1737-1800), 1794. Private Collection

Transitional ship, 1886. Sectional view of a vessel fitted with both sails and a steam engine driving a screw. From Physics in Pictures by Theodore Eckardt. (London, 1886)

Bell telephone, 1882. Artist: Alexander Graham Bell
Bell telephone, 1882. Scottish-born American inventor Bell (1847-1922) filed the patent for his telephone at the United States Patent Office at 3pm on 14 February 1876

Spectroscope, 1882. A spectroscope of the type used by Gustave Robert Kirchhoff (1824-1887) and Robert Wilhelm Bunsen (1811-1899) in studying the emission spectra of heated chemical elements

Carbon microphone, 1882. Device invented in 1878 by David Edward Hughes (1831-1900), English inventor. From Physics in Pictures by Theodore Eckardt. (London, 1882)

Communicating by speaking tube, 1882
Speaking tube, 1882. A cross-section of a ship, showing how communication between the bridge (top) and the rest of the vessel took place

Centrifuge, 1882. Centrifuges are used to separate liquids from solids, or liquids from liquids of different density such as cream from milk. From Physics in Pictures by Theodore Eckardt

Distillation, 1882. Cross-section showing a furnace heating a still. Matter distilled is discharged through the beak of the alembic and is condensed in the worm that runs through the refrigerator

All Professionally Made to Order for Quick Shipping