F. H. Biddle
of 52, Clerkenwell Close, London, E.C.1.
Air Conditioning and Cooling Equipment for Industrial Purposes, Self-contained Air-Conditioners, Air Cooling and Heating Coils, ”Univectair” and “Vectair” Heaters, Steam, Hot Water, Electricity and Gas, Steam and Electric Hand Dryers, Ventilating Fans and Grilles.