Eckardt Prints

Transitional ship. Sectional view of vessel fitted with both sails and a steam engine driving a screw
From £69.98

Thomas Alva Edison's first Phonograph (1878)
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Distillation 1882. Cross-section showing furnace heating a still
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Speaking tube: Idealised cross-section of a ship
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Carbon microphone, invented in 1878 by David Edward Hughes (1831-1900)
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Centrifuge, 1882. Used to separate liquids from solids
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Bell telephone. From Theodore Eckardt Physics in Pictures, London, 1882
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Spectroscope of the type used by Gustave Robert Kirchhoff (1824-1889) and Robert Wilhelm Bunsen (1811-1899)
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Printed to Order and Licensed for Personal Use