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3d film 4-H air-dry concentrates analytical design boric acid precipitation Chonemorpha splendens come the religious dodge on someone contingent interest Copala didymium farinaceum schrad double beam electric-null infrared spectrometer Geikie Sir Archibald gossleriella tropica hand stand dive lung reflex motor delivery van tilting plate method two-blade beater Wistow zirkon-pektolith (rosenbuschite)