














A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 
“© To the solid ground 
Of Nature trusts the mind which builds s for ase,” ”—WORDSWORTH, 


No. 2796, VoL. 111] 

SATURDAY, JUNE 2, 1923 

[PRICE ONE SHILLING 

Registered as a . Newspaper at the General Post Office. J) 
_ [All Rights Reserved. 


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