Webb & Thomson electric staff block instrument. This particular example is not from India, but identical electric staff block instruments were used commonly in India. This particular block instrument is from the National Railway Museum, Port Adelaide, South Australia. Photo by jmatx, 2010. Creative Commons licence for re-use. (Gallery Administrator)
Date: 2010-12-12
Photo Properties
Summary Details
| Make | Apple | Model | iPhone 3GS |
| Aperture Value | f/2.8 | Color Space | sRGB |
| Exposure Program | Program | Flash | No Flash |
| Focal Length | 3.85 mm | ISO | 1000 |
| Metering Mode | Average | Shutter Speed Value | 1/10 sec |
| Date/Time | 2010 Dec 11 19:10:29 +0000 |