File:Simple thermophone.png

Original file(1,170 × 692 pixels, file size: 13 KB, MIME type: image/png)

Summary

Description
English: This line drawing depicts a en:Thermophone. It consists of a cylindrical "Fibre Base", two "Terminal Clamps", two "Current Leads", and a "Platinum Strip", given as ".00007 cm. thick". It is Figure 1 in the paper "The Thermophone as a Precision Source of Sound" by H. D. Arnold and I. B. Crandall, published in 1917 in the journal Physical Review.
Date
Source "The Thermophone as a Precision Source of Sound", by H. D. Arnold and I. B. Crandall (1917)
Author H. D. Arnold and I. B. Crandall

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Simple_thermophone.png

Captions

A diagram of a simple thermophone

Items portrayed in this file

depicts

File history

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Date/TimeThumbnailDimensionsUserComment
current21:29, 4 April 2024Thumbnail for version as of 21:29, 4 April 20241,170 × 692 (13 KB)HenryMP02Uploaded a work by H. D. Arnold and I. B. Crandall from "The Thermophone as a Precision Source of Sound", by H. D. Arnold and I. B. Crandall (1917) with UploadWizard
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