Acetylene, the Principles of Its Generation and Use: A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and PowerLeeds, F. H. (Frank Henley)
Science
Acetylene, the Principles of Its Generation and Use: A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power
Leeds, F. H. (Frank Henley)
Acetylene
Interest and depreciation charges on the outlay on piping or wiring a
house, on brackets, fittings, lamps, candelabra, and storage
accommodation (for carbide and oil) have been taken as equivalent for all
modes of lighting, and omitted in computing the total cost. The cost of
labour for attendance on acetylene plant, oil lamps, and candles is an
uncertain and variable item--approximately equal for all these modes of
lighting, but saved in coal-gas and electric lighting from public supply
mains.
______________________________________________________________________
| | | | | | |
| | |Candle- | Number |Aggregate| Cost |
| | |Power of| of | Candle- | per |
| | Description of | each |Lighting | Power | 100 |
|Illuminant. | Burner or Lamp. |Lighting| Units |Afforded.|Candle-|
| | | Unit. |Required.|(About.) |Hours. |
| | |(About.)| | |Pence. |
|____________|____________________|________|_________|_________|_______|
| | | | | | |
| |Self-luminous; 0.5 | | | | |
| | cubic foot per hour| 18 | 5 | 90 | 1.11 |
| |Self-luminous; 0.7 | | | | |
| Acetylene | cubic foot per hour| 27 | 4 | 108 | 1.02 |
| |Self-luminous; 1.0 | | | | |
| | cubic foot per hour| 45.5 | 3 | 136 | 0.85 |
| |Incandescent; 0.5 | | | | |
| | cubic foot per hour| 50 | 3 | 150 | 0.49 |
|____________|____________________|________|_________|_________|_______|
| | | | | | |
| Petroleum | Large lamp . . . . | 20 | 5 | 100 | 0.84 |
| (paraffin | | | | | |
| oil) | Small lamp . . . . | 5 | 14 | 70 | 1.31 |
|____________|____________________|________|_________|_________|_______|
| | | | | | |
| |Flat flame (bad) 5 | | | | |
| | cubic feet per hour| 8 | 10 | 80 | 3.75 |
| |Flat flame (good) 6 | | | | |
| Coal Gas | cubic feet per hour| 16 | 6 | 96 | 2.25 |
| |Incandescent (No. 1 | | | | |
| | Kern or Bijou In- | 25 | 4 | 100 | 0.38 |
| | verted); 1-1/2 | | | | |
| | cubic feet per hour| | | | |
|____________|____________________|________|_________|_________|_______|
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