Vibrationsrörelser: koncentriska sfärer har ett vibrationscentrum kallas vågytor. Anonym illustration från 1925. Privat samling.(Vibratory movements: concentric spheres have a vibration center are called wave surfaces. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
€ 123.85
Enthält 25% MwSt.
|
odaterad · Engraving
· TavelD: 929425
Private Collection / Bridgeman Images |
0 Recensioner |