Size of this preview: 800 × 560 pixels. Other resolutions: 320 × 224 pixels | 640 × 448 pixels | 1,024 × 717 pixels | 1,280 × 897 pixels | 2,755 × 1,930 pixels.
Original file (2,755 × 1,930 pixels, file size: 1.54 MB, MIME type: image/png)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Detail of a figure labelled "Hawkin's patent Polygraph". Engraving of John Hawkin's polygraph, used for producing duplicates of writing. For explanatory text, see entry on "COPYING", volume 9 of the Cyclopædia. |
||||||||||||||||||||||||||||||||||||||||||
| Date | 1802-1820 (serial publication of the source work) | ||||||||||||||||||||||||||||||||||||||||||
| Source | Rees's Cyclopædia, Plates Vol. III, "Miscellany", Plate III, Fig. 1; from a digital scan at https://archive.org/details/mobot31753002007406 | ||||||||||||||||||||||||||||||||||||||||||
| Author |
Delineator:
|
||||||||||||||||||||||||||||||||||||||||||
.png)
 |
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Rotated, cropped, adjusted levels, removed various paper stains and blemishes and digital artifacts, grayscaled. Modifications made by Morgan Riley. The original can be found here: https://archive.org/stream/mobot31753002007406#page/III*/mode/2up.
|
Licensing
|
The author died in 1851, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
|
|
This work is based on a work in the public domain. It has been digitally enhanced and/or modified. This derivative work has been (or is hereby) released into the public domain by its author, Morgan Riley. This applies worldwide.
In some countries this may not be legally possible; if so: |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:45, 2 February 2013 | | 2,755 × 1,930 (1.54 MB) | Morgan Riley | {{Information |Description ={{en|1=Detail of a figure labelled "Hawkin's patent Polygraph". Engraving of John Hawkin's polygraph, used for producing duplicates of writing.}} |Source =Rees's ''Cyclopædia'', Plates ... |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
