Photo Acoustic Posts Big Gain in First Quarter

Photo Acoustic Technology Inc. said its earnings rose 282% in the first quarter that ended April 30 to $60,214, or 2 cents a share, as revenue climbed 60% to $327,131.

The Westlake Village company, which designs and assembles machines used to scan mechanical and computer parts for contamination, has benefited from major sales to such customers as the National Aeronautics and Space Administration and Morton Thiokol.

For detailed data and results of other companies, please see tables, Page 14.