| File information |
| Filename: | DSCN1903.JPG |
| Album name: | traffic light1 / Street Light Album |
| Keywords: | American_Streetlights |
| Filesize: | 289 KiB |
| Date added: | Oct 28, 2012 |
| Dimensions: | 2816 x 2112 pixels |
| Displayed: | 58 times |
| AF Focus Position: | Center |
| Adapter: | OFF |
| Color Mode: | COLOR |
| Color Space: | sRGB |
| Contrast: | 0 |
| DateTime Original: | 0000:00:00 00:00:00 |
| Digital Zoom: | 1x |
| Exposure Bias: | 0 EV |
| Exposure Mode: | 0 |
| Exposure Program: | Program |
| Exposure Time: | 1/94 sec |
| FNumber: | f/13.6 |
| Flash: | No Flash |
| Flash Setting: | NORMAL |
| Focal length: | 14.3 mm |
| Focus Mode: | AF-S |
| ISO: | 50 |
| ISO Selection: | AUTO |
| ISO Setting: | 0 |
| Image Adjustment: | NORMAL |
| Light Source: | Unknown: 0 |
| Make: | Nikon |
| Manual Focus Distance: | 0 m |
| Max Aperture: | f/3 |
| Model: | COOLPIX S6 |
| URL: | http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=13513 |
| Favorites: | Add to Favorites |
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Yeah those are definetly MH. Odds are these were converted. In the 1970s, MH was made, but it wasn't common and HPS was a much cheaper alternative at the time. Did these have wattage tags on them? If not then these may have been made by westinghouse before Cooper/Crouse-Hinds bought them out.
When did the OVM/OVS/OVC line roll out? I thought by 1982 those three were already in production.