# Hydrophone-MHS 203 > Acoustic hydrophone used by Jean-Daniel Colladon to measure propagation of sound in water between Nyon and Montreux in 1841 **Wikidata**: [Q52509248](https://www.wikidata.org/wiki/Q52509248) **Source**: https://4ort.xyz/entity/hydrophone-mhs-203 ## Summary Hydrophone-MHS 203 is an acoustic hydrophone used by Jean-Daniel Colladon in 1841 to measure sound propagation through water between Nyon and Montreux. This historic device, created around 1840, is now preserved in the Musée d'histoire des sciences de la Ville de Genève as an important scientific instrument. ## Key Facts - Hydrophone-MHS 203 is an acoustic hydrophone (underwater microphone) used for measuring underwater sound. - It was used by Jean-Daniel Colladon in 1841 to measure sound propagation through water between Nyon and Montreux. - The device was created around 1840, as indicated by the "circa" qualifier. - It is currently housed at the Musée d'histoire des sciences de la Ville de Genève. - The hydrophone has inventory number MHS 203 within the museum's collection. - It was constructed using tinning material. - It has an image available on Wikimedia Commons at https://commons.wikimedia.org/wiki/Special:FilePath/Hydrophone-MHS_203-P4070248-gradient.jpg. - It is classified as part of the Hydrophone-MHS 203 category on Wikimedia Commons. - It has a sitelink count of 1, indicating limited coverage across Wikipedia projects. ## FAQs ### Q: What is Hydrophone-MHS 203? A: Hydrophone-MHS 203 is an acoustic hydrophone used by Jean-Daniel Colladon in 1841 to measure sound propagation through water between Nyon and Montreux. This historic device is now preserved as part of the scientific collection at the Musée d'histoire des sciences de la Ville de Genève. ### Q: Who created Hydrophone-MHS 203? A: Hydrophone-MHS 203 was created by Jean-Daniel Colladon around 1840 for his experiments on underwater sound transmission. The device was specifically designed to measure the speed of sound in water during his famous experiment between Nyon and Montreux. ### Q: Where can Hydrophone-MHS 203 be seen today? A: Hydrophone-MHS 203 is currently housed at the Musée d'histoire des sciences de la Ville de Genève. It can be viewed there as part of their collection of historic scientific instruments, with inventory number MHS 203. ### Q: What was the purpose of Hydrophone-MHS 203? A: Hydrophone-MHS 203 was designed for measuring sound propagation in water during scientific experiments. It was specifically used by Jean-Daniel Colladon in 1841 to calculate the speed of sound in water, which was significant for understanding underwater acoustics. ## Why It Matters Hydrophone-MHS 203 holds historical significance as an instrument used in one of the first scientific measurements of sound propagation in water. In 1841, Jean-Daniel Colladon used this device to demonstrate that sound travels approximately four times faster in water than in air, establishing foundational principles of underwater acoustics. This breakthrough experiment laid the groundwork for future developments in sonar technology, underwater communication systems, and marine research. As a preserved artifact, the hydrophone represents an important milestone in the history of scientific instrumentation and our understanding of physics in different mediums. Its conservation at the Musée d'histoire des sciences de la Ville de Genève ensures that this pivotal moment in scientific discovery is remembered and studied. ## Notable For - Used in one of the first scientific measurements of sound propagation in water between Nyon and Montreux in 1841 - Created by Jean-Daniel Colladon for pioneering underwater acoustic experiments - Preserved as a historically significant scientific instrument with inventory number MHS 203 - Constructed using tinning material, representing early acoustic instrument design - Part of the Musée d'histoire des sciences de la Ville de Genève collection ## Body ### Historical Context Hydrophone-MHS 203 is an acoustic hydrophone used by Jean-Daniel Colladon in his 1841 experiment to measure sound propagation in water. The device was created around 1840 and represents an early scientific instrument for underwater acoustic measurements. Colladon conducted his famous experiment between Nyon and Montreux, demonstrating how sound travels through water at a significantly faster speed than through air. ### Physical Characteristics - Material: Tinning - Inventory number: MHS 203 - Storage location: Musée d'histoire des sciences de la Ville de Genève - Collection: Musée d'histoire des sciences de la Ville de Genève - Image available: https://commons.wikimedia.org/wiki/Special:FilePath/Hydrophone-MHS_203-P4070248-gradient.jpg ### Digital Presence - Wikipedia languages: Commons - Commons category: Hydrophone-MHS 203 - Sitelink count: 1 - Creator: Q115741 (likely referring to Jean-Daniel Colladon) ### Scientific Significance The hydrophone was instrumental in establishing the fundamental principles of underwater acoustics. Colladon's experiment with this device helped determine that sound travels approximately 1,435 meters per second in water at 8°C, which was a significant scientific achievement for the 19th century. This measurement later became important for developing sonar technology and underwater communication systems.