Keywords: Squadron headquarters. An air photograph by Major Elsdale in 1886 of the Balloon School camp at Lydd in Kent.jpg en Squadron_headquarters _An_air_photograph_by_Major_Elsdale_in_1886_of_the_Balloon_School_camp_at_Lydd_in_Kent První stíhací perutě britské Royal Air Force http //www flightglobal com/pdfarchive/view/1948/1948 20- 202181 html Major H Elsdale - died 1900 http //www gracesguide co uk/Captain_H _Elsdale 1886 Flight archives from Flightglobal Cc-by-sa-4 0 https //www flightglobal com/pdfarchive/index html The Flight magazine archive from Flightglobal PD-old Balloon history Aerial photographs of Kent Images from Flight archives licensed by Flightglobal |