Presentation of the perkin medal to Mr.
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Article
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1913
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Wiley (John Wiley & Sons)
β 525 KB
The Crra~~sras remarked thnt Bfr. Penchcy hnd snid definitely thnt, resin-free rubbcr wns osiclisect fnr mom quicltlg thnn rubbcr contnining the nnturnl resins. New York Section. Dr. C. F. CIIASDLW~ snit1 : I t is niv very p1tvts:int privilege ns the senior I'nst-PrrsitIcnt cvi the 'Sncicty of Chcn