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See also Tomey and Sons for possible connection
1853 Company established.
1896/7 Directory: Advertiser. More detail
1937 Oil-pressure gauges. "Eureka" Pressure and Vacuum Gauges. 
1957 A branch of Tomey Industries, Ltd. Eureka, Hercules Gauge Glasses. Glass Cylinders Needle Lubricators, Glasses pressure, vacuum, compound, gauges, oil air water, ammonia, vapour pressure thermometers oil pressure switches. Drop Feed lubricators, test gauges.