PROSPECT GROUP HAS 14.3 PCT OF BRINKMANN<BRIK.O> New York-based Prospect Group Inc <PROSZ.O> said it acquired 527,000 shares of Brinkmann Instruments Inc common stock, or 14.3 pct of the scientific instrument maker's common stock outstanding. In a filing with the Securities and Exchange Commission, Prospect Group said it bought the 527,000 Brinkmann shares in open market transactions between August 12 and October 16 at 9.62 dlrs to 11.50 dlrs, or a total of 5.69 mln dlrs. Prospect Group said it bought the stock "to establish a significant minority equity interest in the company," but does not intend to seek control of Brinkmann at the present time. Prospect Group said it will review its investment objectives regarding Brinkmann as warranted by market conditions, the company's performance, and other factors including discussions with Brinkmann management.