Lighting for Country Homes And Village Communities
Lighting for Country Homes And Village Communities
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In our eReader you can find the full English version of the book. Read Lighting for Country Homes And Village Communities Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Lighting for Country Homes And Village Communities
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Kerosene pressure lamp 1, 950 15c per gal. Acetylene (bare flame) 300 3. 5c per Ib. Acetylene (mantle) 1, 000 3. 5c per Ib. Gasoline (mantle) . 2, 000 20c per gal. Carbon (incandescent) 300 lOc per kw. H. Gas (mantle) 1, 200 $1. 00 per 1, 000 cu. Ft. Mazda B (vacuum) 900 lOc per kw. H. Mazda C (gas filled) 1, 300 lOc per kw. H. Blau-gas (mantle) 335 lOc per Ib. 30 Fig. 26 31 The relative lighting capacity is given in lumens-hours for one cent. A lumen-hour may be explained thus ; if the light f...rom a standard can- dle falls normally upon a screen, which has an area of one square foot, placed one foot from the candle, the amount of light received by the screen is designated as one lumen. If this amount of light continues to fall upon the screen for one hour the amount of light thus received by the screen is one lumen-hour. In the preceding table no attempt is made to take account of plant depreciation, interest on money invested, cost of labor for refilling, cleaning, trimming, and recharging, cost of mantles and wicks, bulbs, matches, chimneys, cost of repair, taxes and insurance.
What to read after Lighting for Country Homes And Village Communities?
You can find similar books in the "Read Also" column, or choose other free books by William Kunerth to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Kerosene pressure lamp 1, 950 15c per gal. Acetylene (bare flame) 300 3. 5c per Ib. Acetylene (mantle) 1, 000 3. 5c per Ib. Gasoline (mantle) . 2, 000 20c per gal. Carbon (incandescent) 300 lOc per kw. H. Gas (mantle) 1, 200 $1. 00 per 1, 000 cu. Ft. Mazda B (vacuum) 900 lOc per kw. H. Mazda C (gas filled) 1, 300 lOc per kw. H. Blau-gas (mantle) 335 lOc per Ib. 30 Fig. 26 31 The relative lighting capacity is given in lumens-hours for one cent. A lumen-hour may be explained thus ; if the light f...rom a standard can- dle falls normally upon a screen, which has an area of one square foot, placed one foot from the candle, the amount of light received by the screen is designated as one lumen. If this amount of light continues to fall upon the screen for one hour the amount of light thus received by the screen is one lumen-hour. In the preceding table no attempt is made to take account of plant depreciation, interest on money invested, cost of labor for refilling, cleaning, trimming, and recharging, cost of mantles and wicks, bulbs, matches, chimneys, cost of repair, taxes and insurance.
What to read after Lighting for Country Homes And Village Communities?
You can find similar books in the "Read Also" column, or choose other free books by William Kunerth to read onlineMoreLess
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