Original file (1,383 × 656 pixels, file size: 206 KB, MIME type: image/jpeg)
    Description
    English: Persian Method of Smelting Iron.
    Date
    Source "The Development of American Industries Since Columbus", The Popular Science Monthly, volume 38, page 147.
    Author William F. Durfee
    Permission
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    Public domain

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    Captions

    Rudimentary bellows adding air to a furnace to increase internal temperature

    Items portrayed in this file

    depicts

    copyright status

    public domain

    inception

    December 1890Gregorian

    data size

    211,295 byte

    height

    656 pixel

    width

    1,383 pixel

    media type

    image/jpeg

    checksum

    a970d485e601d1d273b3c52faa0bc151c16fd404

    determination method or standard: SHA-1

    File history

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    Date/TimeThumbnailDimensionsUserComment
    current00:53, 4 August 2015Thumbnail for version as of 00:53, 4 August 20151,383 × 656 (206 KB)IneuwCleaned image and improved contrast
    07:41, 24 October 2010Thumbnail for version as of 07:41, 24 October 20101,410 × 640 (178 KB)Ineuw{{Information |Description = Persian method of smelting iron |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_38.djvu/159 |Date = 1890-1891 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Cat

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