Related Images
Download:
| Tiny | 163x128 | View | Download |
| Small | 326x256 | View | Download |
| Medium | 653x512 | View | Download |
| Large | 1306x1024 | View | Download |
| Original | 5714x4479 | View | Download |
This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Looking for more info about this image?
Try a Google Reverse Image Search for it.
Try a Google Reverse Image Search for it.
Keywords from Image Description:
GageBlocks . Left Lightbox and trueplanes used in testing precision gage blocks by the interference of light waves Right Precision gage blocks with faces so nearly perfect in planeness that the blocks are held together by molecular attraction with force sufficient to suspend the weight of several blocks when held in the vise by the