Trigers caisson, 19th century
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Trigers caisson, 19th century
Trigers caisson. 19th-century artwork of workers using the pneumatic caisson invented in 1839 by the French engineer Triger. This was the first use of pressurised air to dig underwater shafts, a technique that is still used today. The lowest section is pressurised to keep the water out. The middle section is an airlock, through which the soil was passed to the upper section which was at atmospheric pressure. Trigers caisson used sheet metal for the walls of the caisson, and was first used during mining in the Basse-Loire coalfield. Artwork published in Mines and Miners (L. Simonin, 1868)
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6431063
© SHEILA TERRY/SCIENCE PHOTO LIBRARY
1839 1868 Boring Bucket Cutting Debris Device France History Of Science Mines And Miners Pressurised Pulley Sand Tool Turning Waste Borer Caisson
EDITORS COMMENTS
This 19th-century artwork showcases Trigers caisson, a groundbreaking invention by French engineer Triger. The print depicts workers utilizing the pneumatic caisson, which was first introduced in 1839 and revolutionized underwater shaft excavation techniques that are still employed today. The ingenuity of this device lies in its pressurized air system, ensuring water is kept at bay while workers delve deeper into the depths below. The illustration highlights the three sections of Trigers caisson. At the lowest level, immense pressure safeguards against water intrusion. In the middle section, an airlock enables soil transfer to the upper compartment where atmospheric pressure prevails. Constructed with sheet metal walls, this pioneering technology found its initial application in mining within France's Basse-Loire coalfield. Published in "Mines and Miners" by L. Simonin in 1868, this historic artwork captures a pivotal moment in industrial history. It portrays a Caucasian male laborer skillfully operating various tools such as turning devices and cutting pulleys to excavate debris from beneath the earth's surface. Trigers caisson not only represents technological advancement but also symbolizes human perseverance and determination to conquer new frontiers throughout history. This image serves as a testament to mankind's unwavering commitment towards innovation and progress within industries such as mining and engineering.
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