British Kinematography (1949)

161 35mm. MAGNETIC RECORDING SYSTEM. Earl Masterson, /. Soc. Mot. Pic. Eng., Nov., 1948, p. 481. The article describes the conversion kit for the RCA PR-23 recorder and the necessary alterations to the camera and amplifier, including the addition of a recording and a reproducing head to the former, in order that magnetic recording can be carried out OPTIMUM HIGH-FREQUENCY BIAS IN MAGNETIC RECORDING. °* K' K' G. L. Dimmick and S. W. Johnson, /. Soc. Mot. Pic. Eng., Nov., 1948, p. 489. The article deals with investigations on the optimum level of the high-frequency bias in magnetic recording, and examines the influence of its variations on frequency response and non-linear distortion. The results show some characteristic differences for ihe different types of tape. 0. K. K. SYSTEMS OF RELIEF KINEMATOGRAPHY BY MEANS OF A MOVING GRID. F. Savoye, Bull, de V Assoc. Franc, des Ing. et Tech. du Cinema, No. 4, 1948. A fundamental objection to proposed systems of stereoscopy 'employing a stationary grid before the screen is that, while only a single stereoscopic pair is projected, viewirg is possible only along a line parallel with the screen. The Cyclostercoscope employs two grids, in the form of a truncated cone, rotated around the screen. R. H. C. THE COUNCIL Meeting of April 6, 1949 Present : Messrs. W. M. Harcourt (President), A. W. Watkins (Vice-President), L, Knopp (Deputy Vice-President), E. Oram (Hon. Secretary), P. H. Bastie (Hon. Treasurer), R. B. Hartley, B. Honri, F. G. Gunn, H. S. Hind, A. G. D. West, R. H. Cricks (Technical Consultant), and W. L. Bevir (Secretary). Accounts. — Accounts presented by the Hon. Secretary were examined and discussed ; it was decided to appeal against any income tax assessment for the year which might be made. Nominations. — The names of Members nominated for Council and the three Divisions were reviewed. Messrs. Bland and Alston were nominated as scrutineers for the Council elections. Journal Committee. — A fusion of the functions of the Journal and Papers Committee was not approved, as there were already three Members who served on both committees. Papers Committee. — It was decided to withdraw charges for refreshments at meetings. Plans were approved for each Division to supply one of the Society's papers during the next season's lectures. Library Committee. — An increase in the insurance of the Library was approved. B.S.I. — Messrs. Brian Sewell and L. H. Bacon were nominated to represent the Society on the British Standards Committee on Electro-Acoustic Transducers. EXECUTIVE COMMITTEE Meeting of April 6, 1949 Present : Messrs. W. M. Harcourt (President), A.. W. Watkins (Vice-President), E. Oram (Hon. Secretary), P. H. Bastie (Hon. Treasurer), W. L. Bevir (Secretary), and Miss S. M. Barlow (Assistant Secretary). Elections. — The following were elected :— Claude Appleyard (Associate), Regent Cinema, Leeds. Terence Sydney Johnson (Student), Films and Equipments, Ltd. Walter William Ross (Associate), Cinetechnic, Limited. Raymond Hart O'Brien (Member), C. W. S. Film Unit. Stanley Greenall (Associate), C. H. Champion & Co., Ltd. Harry Benson (Member), Associated British Picture Corpn., Welwyn Studios Peter John Oram (Member), P. J. Equipments. Richard RAPER BRUMWELL (Associate), Palace Theatre, Gateshead-on-Tyne. Harry William Armstrong (Associate), Geo. Humphries & Co., Ltd. Howard Maxwell Blaber (Member), De Havi land Propeller Co. Donald Sankey (Associate), Signal Films, Ltd. Michael Bennoson (Associate), RCA Photophone, Ltd.