File:Duboscq colorimeter 1870.png
Jump to navigation
Jump to search
Size of this preview: 597 × 600 pixels. Other resolutions: 239 × 240 pixels | 478 × 480 pixels | 644 × 647 pixels.
Original file (644 × 647 pixels, file size: 109 KB, MIME type: image/png)
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:42, 17 June 2009 | | 644 × 647 (109 KB) | commons>Dicklyon | {{Information |Description={{en|1=A drawing and diagram of a Duboscq colorimeter, for visually obtaining a color match between two columns of fluid to arrive at a quantitative concentration ratio.}} |Source=Chemical News, London, Jan. 21 1870, p. 31, via |
File usage
There are no pages that use this file.
