Checked content


Glassharmonica.png(253 × 217 pixels, file size: 28 KB, MIME type: image/png)
English: Image of the glassharmonica, invented by Benjamin Franklin.
Français : Image représentant le glassharmonica de Benjamin Franklin.
Português: Imagem da armônica de Benjamin Franklin, feita de várias taças de formatos diferentes.
Date circa 1762
Source Some letter of B. Franklin to Abbé en:Giambatista Beccaria.
Author unknown [? - someone hired by B.F.]
( Reusing this file)
Public domain This image (or other media file) is in the public domain because its copyright has expired.

This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.

Dialog-warning.svg You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years, Russia has 74 years for some authors. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement the rule of the shorter term.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Learn more about Schools Wikipedia

Learning is fun and easy with Schools Wikipedia. SOS Childrens Villages helps those who have nothing and no one, giving them back the famly they have lost and bringing them the very best opportunities for a happy, healthy future. Help another child by taking out a sponsorship.