Precision and similar companies

James F. Mauk's book "Industrial research laboratories of the United States" of the National Research Council (U.S.), Tenth Edition, 1956, has the following entries:

2978: Precise Development Corporation (Pres: Jerome C. Merican), 2 Neil Ct., Oceanside, N.Y.
2979: Precise Measurements Company (Dir.of Research: Harold Pallatz), 942 Kings Hgwy., Brooklyn 23, N.Y.C., N.Y. with a laboratory at 2518 Coney Island Ave., Brooklyn 23, N.Y.C., N.Y.
2980: Precision Apparatus Company, Inc., Glendale 27, L..I, N.Y.
2981: Precision Clinical and Analytical Laboratory, Chicago
2982: Precision Grinding Wheel Company, Philadelphia
2983: Precision Scientific Company, Chicago
2984: Precision Testing Laboratories, Worcester, Mass. 

There are a number of similarily named companies already mentioned in radiomuseum.org:

• Precision Electronics, Inc, Chicago, IL
• Precision Equipment Co, Cincinnato, OH
• Precision Fidelity, San Francisco, CA
• Precision Laboratories, Brooklyn, NY
• Precision Products (a trade name of Consolidated Radio Co., Ann Arbor, MI)
• Precision Meter Co. Inc., Brooklyn, NY (enjoined from using this name in 1957)
• Precision Radio Equipment Co, Inc, Brooklyn, NY
• Precision Radio Products Mfg. Co., Los Angeles, CA

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