b/w ms man dressed in 1940's suit and shouting into old-fashioned megaphone/ new york city - 手持式擴音器 個影片檔及 b 捲影像00:04
1972 montage zi cu teenage boy talking on pa, arlington, virginia, usa / audio - 手持式擴音器 個影片檔及 b 捲影像00:10
ms ws pan megaphone bolting on column of mosque / delhi, national territory of delhi, india - 手持式擴音器 個影片檔及 b 捲影像00:24
1924 b/w ms silent movie director (vernon dent) shouting into megaphone, while cameraman (andy clyde) films action and another man (charles murray) watches / usa - 手持式擴音器 個影片檔及 b 捲影像00:02
high angle wide shot woman with bullhorn shouting at crowd of businesspeople / crowd stepping back - 手持式擴音器 個影片檔及 b 捲影像00:14
megaphones rising from the bottom of the frame with a red colored one standing out - 手持式擴音器 個影片檔及 b 捲影像00:14
portrait of a happy child girl student with megaphone on blackboard background, for back to school concepts - 手持式擴音器 個影片檔及 b 捲影像00:26
b/w cameraman cranking camera while director shouts through megaphone / rest of film crew in background - 手持式擴音器 個影片檔及 b 捲影像00:14
preparations/security; pool washington: int graphic us presidential seal george w bush address sot - at current stage of our campaign our coalition... - 手持式擴音器 個影片檔及 b 捲影像01:20
portrait of a happy child girl student with megaphone on blackboard background, for back to school concepts - 手持式擴音器 個影片檔及 b 捲影像00:19
male cheerleader with megaphone on field at harvard vs. yale football game / newsreel - 手持式擴音器 個影片檔及 b 捲影像00:02
police officers using megaphone to communicate with protestors attending campus demonstration in torrance, ca, us, 1968. - 手持式擴音器 個影片檔及 b 捲影像00:11
ms two women with loudspeaker at political demonstration and protest outside white house / washington dc united states audio - 手持式擴音器 個影片檔及 b 捲影像00:17
in light of the international women’s day women rallied in front of pennsylvania station in midtown manhattan and proceeded to march inside penn... - 手持式擴音器 個影片檔及 b 捲影像00:37
