-------------------------+--------------------+-------------------+ | No. 1 Rough | No. 3 Rough | | Contact Bed. | Contact Bed. | -------------------------+---------+----------+--------+----------+ | Dates. | Gallons. | Dates. | Gallons. | -------------------------+---------+----------+--------+----------+ Original water capacity }| 1897. | | 1898. | | after putting }|October 1| 83,300 |Nov. 21 | 51,800 | in the coke }| | | | | | 1899. | | 1900. | | After experiment | May 6 | 22,700 |March 10| 14,700 | | | | | | -------------------------+---------+----------+--------+----------+ Duration of each of } | | | | | above experiments } |19 months| 60,600 | 25½ | 37,100 | and loss in gallons } | | | mths. | | | | | | | Loss in percentage of } | | | original capacity } | 73 per cent. | 71 per cent. | -------------------------+--------------------+-------------------+ ------------------------+----------------+----------------+-----------------+ | No. 5 Rough | No. 7 Single | No. 8 Single | | Contact Bed. | Contact Bed. | Contact Bed. | ------------------------+-------+--------+-------+--------+--------+--------+ |Dates. |Gallons.| Dates.|Gallons.| Dates. |Gallons.| ------------------------+-------+--------+-------+--------+--------+--------+ Original water capacity}| 1899. | | 1899. | | 1899. | | after putting }|Feb. 28| 53,100 | March | 75,000 |March 23| 29,500 | in the coke }| | | 24 | | | | | 1900. | | 1900. | | 1900. | | After experiment |June 1 | 13,200 |October| 21,600 | June 1 | 9,800 | | | | 20 | | | | ------------------------+-------+--------+-------+--------+--------+--------+ Duration of each of } | | | | | | | above experiments } | 15 | 39,900 | 7 | 34,100 | 14 | 19,700 | and loss in gallons } |months | | months| | months | | | | | | | | | Loss in percentage of } | | | | original capacity } | 75 per cent. | 61 per cent. | 67 per cent. |