January 19691 March 10th-13th March 25th-29th May 5th-9th May 19th-24th May 26th-30th June 4th-7th June 5th-11th July 8th-10th July 14th-18th INTERNATIONAL CALENDAR 1969 International Calendar 1969 11 Symposia Conferences and Exhibitions Physics Exhibition Alexandra Palace ; organised by The Institute of Physics and Physical Society 47 Belgrave Square London s.w.l. LABEX International; Earls Court London E.C.4 organised by UTP Exhibitions Ltd. Racquet Court Fleet Street London E.C.4. Ninth Commonwealth Mining and Metallurgical Congress London ; write to Hon. Sec. 44 Portland Place London W.l. Fifth Radiochemical Conference Zvikov Czechoslovakia ; write to Ing. J. Alexa Institute of Nuclear Research Rex Prague. XVth International Colloquium on Spectroscopy Madrid ; write to Sr. Secretario Serrano 119 Madrid-6.Twenty-first Congress of Union of Textile Chemists and Colorists Baden-Baden ; write to Rohrbecherstr. 78 Heidelberg Fed. Rep. Germany. Fifth International Meeting of Forensic Sciences Toronto Canada; write to Mr D. M. Lucas MSc. 8 Jervis Street Toronto 2. International Symposium on Isotope Effects York; orgaucised by The Chemical Society Burlington House London WIV-OBN. International Atomic Absorption Spectroscopy Conference Sheffield ; organised by the Society for Analytical Chemistry (Atomic-Absorption Spectroscopy Group) 9/10 Savile Row London W. 1. 12 INTERNATIONAL CALENDAR 1969 [Proc. SOC. Avtalyt. Chem. July 15th-18th Symposium on N.M. R. Spectroscopy Birmingham ; organised by The Chemical Society Burlington House London WIV-OKN. July 17th-19th Symposium on Surface Area Determination School of Chemistry University of Bristol; write to Professor D.H. Everett School of Chemistry University of Bristol Bristol BS8 ITS. International Symposium on Analytical Chemistry Birming- ham; Midlands Section Society for Analytical Chemistry; write to D. M. Peake c/o Research Dept. Imperial Metal Industries Ltd. P.O.B. 216 Birmingham 6. August 11th-14th International Symposium on Electron and Nuclear Magnetic Resonance Clayton Australia; write to Dr C. J. Coogan CSIRO Clayton Victoria Australia 3618. Au gtl s t 2 0 t h - 2 7 t h Twenty-second International Congress of Pure and Applied Chemistry Sydney Australia ; write to Chairman Organising Committee Box 2249U GPO Melbourne Australia. Third International Clay Conference Tokyo Japan ; orgavtised by Institute of International Geology University of Tokyo Otsuka Bunkyo-ku Tokyo Japan. Fourth International Congress on Metallic Corrosion Amsterdam; write to Stichting Nederlandse Centrum Postfach 52 Delft Net herlands. July 21st-25th September 5th-1 lth September 7th-14th