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'Crolls' of 238 Kingsland Road, London, EC4. Telephone: Bishopsgate 7571. Telegraphic Address: "Meter, 'Phone, London"
1862 Business established
1922 Directors: Sir H. Cowan, F. R. Smith, W. W. Parkinson and J. A. Macleod. Sec. F. W. Church.
1937 Listed Exhibitor - British Industries Fair. Gas Measuring Apparatus of all kinds, including Meters, Governors, Gauges, Test Meters, Clock controllers, Automatic Time Switches, etc., and the Recorda Money Box for Service Rentals and Tariff Schemes. (Stand Nos. Ca.803 and Ca.702)