A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 



" To the solid ground 

 Of Nature trusts the mind which builds for aye" — Wordsworth. 



No. 2774, Vol. no] SATURDAY, DECEMBER 30, 1922 [Price One Shilling 



Registered as a Newspaper at the General Post Office.l [All Rights Re'servedT" 



NEWTON'S 

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