Word: ammonia
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Dates: during 1900-1909
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...artesian well which was driven at Memorial Hall a year ago is working very satisfactorily. The pumps, run by electricity generated in the building, supply about 75 gallons of water a minute. This is used for cooling the ammonia coils of the ice plant, for washing, and for the steam boilers. The well water cannot be used for drinking because of the presence of alkali in it, and water from Fresh Pond is still obtained for this purpose...
...total cost of the well was about $4,500, but its use saves the Dining Association $150 per month. This is principally due to the fact that the ammonia coils require a large amount of water, which, when purchased from the city, was a heavy expense. The well is eight inches in diameter and 320 feet deep, 260 feet being through solid rock. A wrought iron pipe extends to the rock 80 feet below the surface and keeps the water free from impurities...
...well is designed to supply water for cooling the ammonia pipes of the ice plant, for the boilers, and for cleaning purposes...
...more compact than they are at Memorial, and are equal to those of the best hotels. The principal difference lies in the cold storage process, which is used in the former, while at Memorial ice-chests are the only means for reducing the temperature. A disadvantage of the ammonia process in use at Randall lies in the immense quantity of water needed in the condensers, which makes the cost of water over $10 per day. To do away with this expense an artesian well was bored to a depth of 57 feet, but work has now been given...