Coherer Receiver by Guglielmo Marconi. He used this device for a public demonstration of wireless in London's Toynbee Hall in 1896. At a public lecture given by William Preece, chief engineer to the General Post office, whenever Preece switched a transmitter and created an electric spark, a bell rang on a box Marconi took to any part of the lecture room. The demonstration caused a sensation and made Marconi a celebrity.

---

Coherer Receiver by Guglielmo Marconi. He used this device for a public demonstration of wireless in London's Toynbee Hall in 1896. At a public lecture given by William Preece, chief engineer to the General Post office, whenever Preece switched a transmitter and created an electric spark, a bell rang on a box Marconi took to any part of the lecture room. The demonstration caused a sensation and made Marconi a celebrity.

---

Size: 3794px × 5527px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1896, 19th, archival, archive, bell, century, chief, coherer, demonstration, device, egineering, electric, engineer, general, guglielmo, hall, historical, history, lecture, london, marconi, office, post, preece, receiver, science, spark, toynbee, transmitter, william, wireless