File:Gramme Ring - Modern Form.png
Jump to navigation
Jump to search
Size of this preview: 800 × 308 pixels. Other resolutions: 320 × 123 pixels | 1,144 × 440 pixels.
Original file (1,144 × 440 pixels, file size: 90 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 | 20:03, 7 January 2009 | | 1,144 × 440 (90 KB) | commons>J JMesserly | {{Information |Description= Original text of illustration: Figure 249: Modern form of the Gramme ring armature. * The core consists of a number of thin flat rings of well-annealed charcoal iron, the outer diameter of each ring or disc being 11.5 inches a |
File usage
There are no pages that use this file.
