Hertz, Heinrich, - , German physicist, his signature, 19th century,

---

Additional-Rights-Clearances-NA

---

Size: 3507px × 1610px
Location:
Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: autograph, century, german, handwriting, heinrich, hertz, physicist, scientist, signature