Prijava za pregled ovog predmeta na drugim jezicima
Reis telephone transmitter
At the top of a mahogany box is stretched a diaphragm of bladder that is set in vibration by sounds from a brass mouthpiece stained black. The vibrations cause an intermittent contact between a small platinum disk at the center of the diaphragm, and a light brass lever in contact with an electromagnet. [...]
Stvorio/la
- Johann Phillipp Reis
Izdavač
- Museo Galileo - Istituto e Museo di Storia della Scienza
Tema
- electrical engineering
Vrsta predmet
- Transmitter / receiver
- telegraphs
Institucija iz koje dolazi
Uvjeti korištenja medija u ovom zapisu (osim ako nije drugačije navedeno)
- http://rightsstatements.org/vocab/InC/1.0/
- http://rightsstatements.org/vocab/InC/1.0/
Prava
- © Museo Galileo - Istituto e Museo di Storia della Scienza
Datum stvaranja
- ca. 1870
- 1870~
- 1870~
- 1870
- 1870
Identifikator
- urn:imss:instrument:414138
Opseg
- total height 106 mm, base 116x116 mm
Jezik
- eng
- ita
Reference
- http://catalogue.museogalileo.it/biography/JohannPhillippReis.html
Godina
- 1870
Država iz koje dolazi
- Italy