cu father and son (8-9) inspecting flower with magnifying glass / seattle, washington, usa - 放大鏡 個影片檔及 b 捲影像00:41
ms girl (8-9) lying in meadow and looking at grass through magnifying glass / hampton, new jersey, usa - 放大鏡 個影片檔及 b 捲影像00:14
first known world map; seq sheets on script in ancient language from babylon which is now extinct edith horsley intvw sot - was interested in ancient... - 放大鏡 個影片檔及 b 捲影像02:19
white hot sun in orange sky, dark clouds, astronomer examining film cells on light box w/ magnifying glass, scientist looking in viewfinder of... - 放大鏡 個影片檔及 b 捲影像00:28天空
close up female hand turning tubes under magnifying glass / laboratory / brazil - 放大鏡 個影片檔及 b 捲影像00:01
a male biologist and botanist is surveying and collecting data on fungal growth in a peat swamp forest for research. - 放大鏡 個影片檔及 b 捲影像00:26
microscope, scientist and woman research in laboratory, test and medical experiment. science, serious professional and equipment lens for biotechnology sample analysis, healthcare and doctor study - 放大鏡 個影片檔及 b 捲影像00:05
animated magnifying glass over a brain shaped electric circuit connected to a computer chip - 放大鏡 個影片檔及 b 捲影像00:10
insect parasitism - the adler woodwasp and its enemies - part 28 of 31. this unusual visual study shows how and when four types of adult parasites gain access to the tunnels of woodwasps to lay eggs, including one species that lays its eggs within those - 放大鏡 個影片檔及 b 捲影像00:30
bending and reflecting sunlight - part 5 of 10. three boys, experimenting with everyday objects, discover the phenomena of refraction and reflection. playing with a magnifying glass, a water filled jar, and water hose spray, they being to grasp the princi - 放大鏡 個影片檔及 b 捲影像00:31彩虹
cu girl (6-7) looking at cactus through magnifying glass / jersey city, new jersey, usa - 放大鏡 個影片檔及 b 捲影像00:07
cu, employee examining engraving plate for american one dollar bills, close-up of hands, washington dc, usa - 放大鏡 個影片檔及 b 捲影像00:32
weapons of mass destruction: blair changes emphasis/ powell statement; itn england: london: gir: int magnifying glass held over map of iraq... - 放大鏡 個影片檔及 b 捲影像00:25伊拉克, 錄影像
ms reenactment intelligence analysts examining maps and documents / philadelphia, pennsylvania, united states - 放大鏡 個影片檔及 b 捲影像00:16
extreme close up zoom in hands using tools on circuit board chip under magnifying glass - 放大鏡 個影片檔及 b 捲影像00:07
antique sundial w/ magnifying glass & cannon, moving, placing magnified sun on gun fuse. lower section of hourglass w/ falling sand forming pyramid.... - 放大鏡 個影片檔及 b 捲影像00:12
asian elemenatry girl enjoying in nature , using magnifying glass for learning biology class - 放大鏡 個影片檔及 b 捲影像00:26
title "whittaker chambers" superimposed over whittaker chambers; title fades / chambers walking down sidewalk to camera, others in front, cars parked... - 放大鏡 個影片檔及 b 捲影像00:23
pan left to right of desk in upper class office. man in suit places gold plated ink pen on desk next to magnifying glass. folders or books stacked nearby. - 放大鏡 個影片檔及 b 捲影像00:06
students in classroom studying specimens of marine and plant life / hayling island, england, united kingdom - 放大鏡 個影片檔及 b 捲影像00:20
first known world map; cms edith horsley sitting using magnifying glass as looking at fragmentcms magnifying glass as hand holding fragment on other... - 放大鏡 個影片檔及 b 捲影像00:10
close up of girls examining leaf and test tube with magnifying glass / orem, utah, united states - 放大鏡 個影片檔及 b 捲影像00:14
photographer removing 6x6 film negatives from protective sleeve and arranging them on lightbox to review the frames for development - 放大鏡 個影片檔及 b 捲影像00:14印洗照片
dermatologist examining her patient's back with a dermatological magnifying glass - 放大鏡 個影片檔及 b 捲影像00:12體檢
men looking at fingerprint records stored in files / man looking at fingerprint record / fingerprints / close shot of hand holding magnifying glass... - 放大鏡 個影片檔及 b 捲影像01:13
