Packing Joints for Pumps.
The least leaky packing we have yet devised for a pump consists of an asbestos string liberally smeared with, ordinary blacklead. It is more efficient and lasts a great deal longer than the special washers sold at high prices by many accessory dealers.
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https://paperspast.natlib.govt.nz/periodicals/P19090401.2.14.5
Bibliographic details
Progress, Volume IV, Issue 6, 1 April 1909, Page 193
Word Count
47Packing Joints for Pumps. Progress, Volume IV, Issue 6, 1 April 1909, Page 193
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