HOT WATER BOTTLES
Now that the nights arc getting colder one begins to think about hoi water bottles again. Often when the rubber bag is taken out after the summer it is found lo be hard and if used in tin's stale, it is sure to split and crack so that it will be quite useless. The rubber may be brought back into a soft stale in the following manner: Mix together strong household ammonia and water, allowing a tablespoon to eacli quart. The water should be rather hot, but not boiling. The solution is put into a big bowl and' there should be sufficient lo cover the bag both inside and out. Leave the whole thing soaking for an hour or so, during which time the water gels cold, but this does not matter, providing it is warm at the start. In the end it will be found that the rubber has lost all its stiffness and the bag is now ready for use. A rubber bag will last all the longer if now and again it is rubbed with a piece of cotton-wool on which there is just a trace of glycerine. Never, as is sometimes recommended, apply vaseline, or anything, of an oily nature to rubber, as this lias a most destructive elTect.
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Waikato Times, Volume 107, Issue 17986, 3 April 1930, Page 5
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216HOT WATER BOTTLES Waikato Times, Volume 107, Issue 17986, 3 April 1930, Page 5
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