30 Whitehead's Grove, then 10a Elystan St., Chelsea, London, England Addlestone, Surrey, UK Belfast, Ireland Bétheny; Reims Billancort Bognor Regis, West Sussex, England Bradford, England Britain Cathcart, Glasgow, Scotland Chartes Chelsea; offices apparently on St. James St., London, England Clacton, England Coventry, England Dumbarton East Cowles, Isle of Wight formed Woking; construction at Brooklands, both England. France Freshfield, Formby, Merseyside, England Freshfield, Formby, Merseyside, England. Fullham, London, England Gosforth (Tyneside) and ? Ipswich, Suffolk, England Issy-les-Moulineaux, Paris Issy-les-Moulineaux, Paris; flying school at Mourmelon, France; agent at Brooklands Aerodrome, Weybrdige, Surrey, England, UK. Juvisy; Quai de Seine, Argenteil, (Paris?). King's Lynn, Norfolk and Stroud, Gloucestershire; England Leighton Buzzard Levallois-Perret (near Paris) Levallois-Perret, Neuilly-sur-Seine Levallois-Perret, Paris Lincoln Lincoln, England London London Aerodrome, Collindale Ave, Hendon, England Middleton-on-Sea, Bognor Regis, West Sussex, England Newcastle-on-Tyne Old Kilpatrick on Clyde estuary Originally at Huntingdon; then slip-way at Sussex County Aero Club, Shoreham, and shed at Shoreham Aerodrome, England Paris Parkside, Coventry, England Portholme Aerodrome, Huntingdon, England Quai de Seine, Argenteuil, [[département]] [[Seine-et-Oise]], France; 3 & 5 Boulevard de Levallois prolongé, Neuilly-Sur-Seine, [[département]] [[Seine]], France Reims, [[département]] [[Marne]], France Riga; St. Petersburg Rue de la Ferme, Billancourt, Paris, [[département]] [[Seine]], France; 36 Boulevard Gambetta, Issy-les-Moulineaux, [[département]] [[Seine]], France. Saint Petersburg Shoreham, England South Farnborough, Hants (within or quite near Farnborough, Hampshire) Southport, Britain Sussernes use of Blériot factory, 1909, suggests a base near Paris. Windermere Woolston, Southampton, England; South Farmbridge workshop in hangar adjacent to factory of Regy Freres at Grenelle, Paris, we think workshop in hangar adjacent to factory of Regy Frères at Grenelle, Paris; flying school and shed at Issy-les-Moulineaux, Paris Workshop said to be in Charenton; flown at Port Aviation Aerodrome, Viry-Chatillon; both outside of Paris.