Tin-can telephone receiver

Item

Title (Dublin Core)

Tin-can telephone receiver

Subject (Dublin Core)

Article Title and/or Image Caption (Dublin Core)

Title: Inventions the war has brought out
Caption: Listening to the sound of heavy guns with the aid of a tin-can telephone receiver. A tin can, suspended from a copper wire which is wound about a pencil or penholder pressed against the bone back of the ear, makes an excellent instrument for detecting these sounds when they cannot be heard otherwise

Language (Dublin Core)

eng

Temporal Coverage (Dublin Core)

Date Issued (Dublin Core)

11916-03

Is Part Of (Dublin Core)

pages (Bibliographic Ontology)

364

Rights (Dublin Core)

Public domain

Source (Dublin Core)

Archived by (Dublin Core)

Filippo Valle

Item sets