File:Secretary Charles G. Abbot with Solar Boiler.jpg

No higher resolution available.

Secretary_Charles_G._Abbot_with_Solar_Boiler.jpg ‎(630 × 500 pixels, file size: 85 KB, MIME type: image/jpeg)

Captions

English

Add a one-line explanation of what this file represents

Description	English: Astrophysicist and fifth Secretary of the Smithsonian Institution (1928-1944) Charles G. Abbot with a half horse-power solar boiler, exhibited at the International Congress of Engineers and used by the National Broadcasting Co. with a steam engine and generator to broadcast to the United States and Canada. Secretary Abbot is seen here to the right of the photograph with his hand on the machine. There are three unidentified men on the left of the solar boiler
Date	11 April 2012
Source	http://siarchives.si.edu/collections/siris_sic_9651
Author	Unknown authorUnknown author

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

PDMCreative Commons Public Domain Mark 1.0falsefalse

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:47, 11 April 2012		630 × 500 (85 KB)	SarahStierch (talk \| contribs)

You cannot overwrite this file.

There are no pages that use this file.