MAKE A MEME
View Large Image
| View Original: | RowlandGrating.jpg (3264x2448) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: RowlandGrating.jpg en wikipedia 2012 January 29 en A picture of Henry Augustus Rowland's grating ruling engine 2009-06-21 own original text I created this work entirely by myself 1 Chhe talk Chhe Original upload log page en wikipedia RowlandGrating jpg 2009-06-22 02 34 Chhe 3264×2448 2013906 bytes <nowiki> A picture of Henry Augustus Rowland's grating ruling engine I created this work entirely by myself June 21 2009 ~~~ </nowiki> Henry Augustus Rowland | ||||
