Excerpt from The Illuminating Engineer, 1906/07, Vol. 1The only shortcoming seems to be the frequency of trimming required, seventeen hours being the longest life claimed for one setting of carbons. The carbons are also somewhat more expensive than the old form.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at
| Title | : | The Illuminating Engineer, 1906/07, Vol. 1 (Classic Reprint) |
| Author | : | Unknown |
| Language | : | en |
| Rating | : | |
| Type | : | PDF, ePub, Kindle |
| Uploaded | : | Apr 11, 2021 |
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