Duguid Instrument Supply Co
of 7, Chapel Walks, Manchester.
Appliances for "Fuel Economy,"
Established 1919.
1922 Principals Sydney N. Duguid, B.Sc. (Tech. ), Assoc.M.S.T.; Capt. Leslie N. Duguid, B.Sc. (Tech. ), Assoc.M.S.T. Products.— CO2 recorders, draught gauges, flue gas analysers, gas collectors (samplers ), flue gas thermometers, etc.