Caption

Telephone transmitter mechanism by Johann Philipp Reis, 1834 – 1874, German scientist and inventor

Date

Feb 04, 2020

Credit line

Photo12/imageBROKER/Heinz-Dieter Falkenstein

Reference

BRK26B88_431

Model release

No

Property release

No

License type

Rights managed

Available size

190.4Mb (4.8Mb) / 22.8in x 32.4in / 6850 x 9715 (300dpi)

Keywords

inventor natural scientific university graduate person Philipp Reis Johann Philipp Reis explore researcher natural science historic German science physics scientist physicist scientific explorer research academic historical scientific research Human being People university graduates persons sciences exploring natural sciences inventors scientists physicists researchers researching explorers historically human individual individuals explores historical image history image history images researches humans