A self-repairing pneumatic tyre in i-se in France has an inner layer of crude rubber, which is very adhesive and instantly closes any puncture. The tyre has no valve, but for inflating is pierced by a special "needle” of the pump.
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Bibliographic details
New Zealand Times, Volume LXXVII, Issue 5372, 3 September 1904, Page 11
Word Count
41Page 11 Advertisements Column 2 New Zealand Times, Volume LXXVII, Issue 5372, 3 September 1904, Page 11
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