Facts for your appraisal regarding Pratt & Whitney Aircraft turbojet engines on your TWA Boeing 707, no date; flight kit, 1958; flight ticket, 1956; international air routes, 1960; memo timetable, Philadelphia to Los Angeles/San Francisco, effective 1 September 1961; menu card, 1976; United States route map and souvenir atlas, 1958; TWA ambassador service, [1970]; TWA polar route, 1957; TWA world routes in the USA, Europe, Africa and Asia, 1968