Scientific American Supplement, No. 611, September 17, 1887
Chapter 1
__________________________________________________________________________________ | | | | | | | | Series of Trials. | I. |II. |III.| IV.| V. | VI. | VII.|VIII. ----------------------------------------+----+----+----+----+----+-----+-----+---- Contents of boiler, in gallons |3.85|4.18| - |4.18|4.18| 4.18| 5.7 |5.7 Water added during the process | - |1.54| - | - | - | - | 1.4 |0.6 Temperature of water degs. Fah. | - | - | - | 72 | 57 | 54 | 43 |132 Firing commenced with spirits of | | | | | | | | wine at hours min.| - |2.12|9.10|4.30| - |10.0 | - | - Firing commenced with gas at " |1.30| - | - | - |3.0 | - | - | - Firing commenced with coke at " | - | - | - | - | - | - | - |1.10 Firing commenced with charcoal at " | - | - | - | - | - | - |10.12| Steam generated at " | - |2.34|9.28|4.41|3.15|10.18|10.35|1.34 212 deg. in chamber registered by | | | | | | | | external thermometer at " |2.30|2.40|9.34| - | - | - |10.50|1.52 212 deg. in clothes registered by | | | | | | | | electrical thermometer at " | - | - | - |5.25|4.18|12.12| - | - 221 deg. in clothes registered by | | | | | | | | electrical thermometer at " | - | - | - | - | - | - |11.51|2.34 Highest temperature in chamber | | | | | | | | registered by external thermometer deg.| - |270 |250 | - |324 | 255 | 302 |275 Mean temperature in chamber | | | | | | | | registered by external thermometer " |241 |257 |239 |266 | - | 253 | 266 |266 Trial closed at hours, min. |4.45|4.10|11.4|5.45|4.30|12.30|11.51|2.35 Max. therm. registered in mattress deg.|262 | - | - | - | - | - | - | - Max. therm. registered in overcoat "| - |239 | 226| - | - | - | 223 |223 Max. therm. registered in winter coat "| - | - | - |232 |223 | 214 | - | - Max. therm. regis'd in winter trousers "| - |243 | 239| - | - | - | - | - Max. therm. regis'd in summer trousers "| - |246 | 252| - | - | - | - | - Time required to generate steam min. | - | 22 | 18| 11 | 15 | 18 | 23 | 24 Time required to generate 212 deg. | | | | | | | | in chamber " | 60 | 28 | 24| - | - | - | 38 | 42 Time required to generate 212 deg. | | | | | | | | in clothes " | - | - | - | 55 | 78 | 132 | - | - Time required to generate 221 deg. | | | | | | | | in clothes " | - | - | - | - | - | - | 99 | 85 Total duration of process " |135 |118 | 114| 75 | 90 | 150 | 99 | 85 Water evaporated, in gallons | - | - | - |1.65|1.90| 2.75| 4.3 |3.3 Consumption of spirits of wine pints | - | - | - |3.0 | - | 9.6 | - | - Consumption of gas, in cubic feet | - | - | - | - | 70 | - | - | - Consumption of cokes, in cbs | - | - | - | - | - | - | - | 6 Consumption of charcoal, in cbs | - | - | - | - | - | - | 8.8 | - ----------------------------------------+----+----+----+----+----+-----+-----+----