Lightning would be invisible were the air a conductor. As it is a non-conductor it cannot convey the electric fluid invisibly. The great Kimberley diamond mine in c ou th Africa is more than 4000 ft deep.
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/ODT19210321.2.53
Bibliographic details
Otago Daily Times, Issue 18199, 21 March 1921, Page 6
Word Count
37Untitled Otago Daily Times, Issue 18199, 21 March 1921, Page 6
Using This Item
Allied Press Ltd is the copyright owner for the Otago Daily Times. You can reproduce in-copyright material from this newspaper for non-commercial use under a Creative Commons New Zealand BY-NC-SA licence. This newspaper is not available for commercial use without the consent of Allied Press Ltd. For advice on reproduction of out-of-copyright material from this newspaper, please refer to the Copyright guide.
Log in