Lydenergi: lydens hastighed i vand. Forsøg fra 1826-1827 af Jean Daniel (Jean-Daniel) Colladon (1802-1893) og Charles François Sturm (1803-1855) på Genevesøen (Lac Léman). To både fortøjet 14 km fra hinanden, den ene båd bar en klokke, en hammer h(Sound energy: speed of sound in water. Experience of 1826-1827 by Jean Daniel (Jean-Daniel) Colladon (1802-1893) and Charles Francois Sturm (1803-1855) on Lake Geneva (Leman Lake). Two boats moored 14 km apart, one of the boats supported a bell, a hammer h)Anonymous Anonymous |
|
€ 130.2
Enthält 25% MwSt.
|
|
Udateret · Engraving
· Billed-ID: 929724
Private Collection / Bridgeman Images |
|
|