Show I GOLD MEASURE l ISTO IS ISTO I I TO BE IMPROVED i I I WASHINGTON ASHI Au AUK AU 6 Perfection 6 I by the bureau of stan standards ards of ot it Lt spec spec- I analysis of gold has given c the United States treasury a n method which It Is declared will measure the fineness ss of ot metal more accurately I than thou one ono part in a million method Is ib described as consisting consistIng consist consist- ing of or small electric sparks leaping between two sticks of lof gold sold the photographs pho graphs t of ot the sparks talc taken through h hI a JL grating showing ut at once I the tho presence ce of f the most minute pur- pur tides of baser metals Tests Just completed show hew ho that the i 1000 fine gold of f the the San Francisco I mint l hest grade was only pure Specially minted d samples samples sam sam- ples plea were passed b by th the tha new device I Ia as an per cent pure nure lUr |