Fire prevention and fire extinctionBraidwood, James
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Fire prevention and fire extinction
Braidwood, James
Fire extinction; Fire prevention
Delivering 1000 gallons into a tank at a true distance of 50ft. and
37 deg. from the horizon. Depth from which water was drawn, 4ft. 6in. The
water in the boilers being cold when the signal was given to commence,
each engine commencing to work on attaining steam pressure of 100lbs.
to the square inch.
+---+---------------+---------------+-----------+---------+--------+
| | | | Time of | Time of | |
|No.| Name. | Weight. | raising | filling | Total |
| | | | Steam | Tank. | Time. |
| | | | to 100lbs.| | |
+---+---------------+---------------+-----------+---------+--------+
| | | T. c. q. lbs.| ' " | ' " | ' " |
| 1 | Shand & Mason | 1 9 2 0 | 11 36 | 5 24 | 17 0 |
| | | | | | |
| 2 | Lee & Co | 1 10 0 0 | 11 55 | 6 3 | 17 58 |
| | | | | | |
| 3 | Merryweather | 1 10 1 12 | 12 15 | 9 14 | 21 29 |
| | & Son | | | | |
+---+---------------+---------------+-----------+---------+--------+
Owing to a broken bolt, there was great leakage in water cylinder of
Lee and Co's. engine.
SECOND TRIAL.
Delivering 1000 gallons into tank at same distance, commencing with
full steam.
+-----+--------------------+------------+--------+---------+
| | | Steam | Steam | Time |
| No. | Name. | at | during | filling |
| | | Beginning. | Work. | Tank. |
+-----+--------------------+------------+--------+---------+
| | | | | ' " |
| 1 | Shand & Mason | 85 | -- | 5 49 |
| | | | | |
| 2 | Lee & Co. | 125 | -- | 5 50 |
| | | | | |
| 3 | Merryweather & Son | 100 | -- | 6 17 |
+---------------------------------------+--------+---------+
The leakage in Lee and Co's. engine was remedied.
THIRD TRIAL.
Delivering into large tank, commencing with Full Steam. At a
horizontal distance of 40ft., a vertical height of 40ft., a true
distance of 56ft., and at an angle of 45 deg. from the horizon; the depth
from which water was drawn being 16ft. 4in.
Public-domain text, read in full here on John Shaqi.
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