TELEGRAPHONE: magnetic recording tele phone invented by Valdemar Poulsen (1869-1942). He applied for a patent on 1 December 1898; and the instrument aroused great interest at the Paris Exposition of 1900. RIBBON TELEGRAPHONE: detail of thin steel ribbon mounted on pulleys. Wire telegraphone in which piano wire was used for the recording. 1904.
RMID:Image ID:HHG782
Image details
Contributor:
World History Archive / Alamy Stock PhotoImage ID:
HHG782File size:
180 MB (5 MB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
9151 x 6875 px | 77.5 x 58.2 cm | 30.5 x 22.9 inches | 300dpiDate taken:
1904Photographer:
World History ArchiveMore information:
This image could have imperfections as it’s either historical or reportage.
TELEGRAPHONE: magnetic recording tele phone invented by Valdemar Poulsen (1869-1942). He applied for a patent on 1 December 1898; and the instrument aroused great interest at the Paris Exposition of 1900. RIBBON TELEGRAPHONE: detail of thin steel ribbon mounted on pulleys. Wire telegraphone in which piano wire was used for the recording. 1904.