Légende

The schematic illustration of Alexander Graham Bell's early telephone set from 1877. It illustrates the electroacoustic principle according to which sound waves are converted into electrical signals and translated back into sound again, illustration, reproduction of a model from the 19th century. Authentic, file restored for optimal use, exact date of submission unknown, historical

Date

27 janv. 2026

Crédit

Photo12/imageBROKER/Sunny Celeste

Notre référence

BRK26B84_232

Model release

Non

Property release

Non

Licence

Libre de droits

Format disponible

397.3Mo (28.5Mo) / 118.3cm x 84.2cm / 13967 x 9942 (300dpi)

Mots clés

deserted black date researcher scientist history drawing accurate signal telephone classic illustration depiction electric early antiquity historic scientific science restored contemporary drawn person file authentic university graduate woodcut restoration explore vintage sound sketch translate printing method schematic Scholar replication illustrated 19th century Telephone apparatus Historic illustration Wood engraving Sound wave no one explorer precise phone classical representation electrical ancient times historical scientific research Human being real academic xylograph reconstruction research nineteenth century Historical illustration No People exact People realistic woodprint reproduction 1900s nobody genuine replica uninhabited copy empty dates researchers scientists drawings signals telephones illustrations depictions Altertum sciences persons files university graduates woodcuts restorations exploring translating printing methods Scholars 19th-century Historic illustrations explorers classically historically human reconstructions researching Historical illustrations replicas on black depicting historical image history image history images individual individuals restoration work explores vintage-styled translates translated representing humans researches