hands holding cross sections of tree trunks, vs scientists working in laboratory of tree-ring research, looking in microscope & typing on... - 年輪 個影片檔及 b 捲影像00:17
man cutting down ponderosa pine tree w/ ax, trunk fragments on ground, vs tree falling over, tree stump, vs man making crayon rubbing of annual tree... - 年輪 個影片檔及 b 捲影像00:27
hands holding cross section of tree, annual growth rings, man w/ pickaxe examining small rock, scientists in byrd station, antarctica helping ice... - 年輪 個影片檔及 b 捲影像00:18
democratic us presidential candidate franklin d. roosevelt during 1932 campaign with shot of fdr in car / fdr supporters marching including sign... - 年輪 個影片檔及 b 捲影像00:17
shot of british and american flags projecting from balcony at franklin roosevelt's springwood mansion in hyde park / wv porch beneath balcony / wv... - 年輪 個影片檔及 b 捲影像01:11
montage man and woman enter voting booths in new york city, close curtains; open curtains, exit voting booths on election day 1940 / us president... - 年輪 個影片檔及 b 捲影像00:32
burning logs with orange flames flickering around stacked firewood and tree rings, static close-up - 年輪 個影片檔及 b 捲影像00:10
cut trees lie on the ground on august 18, 2026 in volyn oblast, ukraine. in ukraine’s volyn region, residents are stocking up on firewood ahead of... - 年輪 個影片檔及 b 捲影像00:07
cut trees lie on the ground on august 18, 2026 in volyn oblast, ukraine. in ukraine’s volyn region, residents are stocking up on firewood ahead of... - 年輪 個影片檔及 b 捲影像00:08
"roosevelts at home! hyde park, n.y. - meet the family! neighbors give warm home coming to gov. roosevelt, dem. presidential nominee." / marching... - 年輪 個影片檔及 b 捲影像02:11
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:09
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:09
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:07
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:05
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:06
woman using tablet with stock market chart and stylus, analyzing investment data for smart financial decisions. - 年輪 個影片檔及 b 捲影像00:09
house natural resources committee chairman bruce westerman says in floor debate on a bill to improve the health and resiliency of giant sequoias that... - 年輪 個影片檔及 b 捲影像01:09
tree growth illustration. detailed view of tree rings and environment. visualization of timber layers within melting snowy landscape - 年輪 個影片檔及 b 捲影像00:20
typed card describing clip / president franklin d. roosevelt seated with his mother sara delano roosevelt at fireplace in the roosevelt home,... - 年輪 個影片檔及 b 捲影像01:19
"roosevelt home life intimate glimpses of pres. f.d. roosevelt, at his hyde park, n. y. home overlooking the hudson river. var. scene of estate,... - 年輪 個影片檔及 b 捲影像02:27
typed card describing clip / vs president franklin d. roosevelt writing at desk / roosevelt uses a magnifying glass to look at his stamp collection /... - 年輪 個影片檔及 b 捲影像00:44
"sub 1. - roosevelt home life - scenes of pres. roosevelt in auto near tree that he planted. his daughter mrs. anna boettiger in shots with the pres.... - 年輪 個影片檔及 b 捲影像00:29
president franklin d. roosevelt writing at desk at his springwood home / roosevelt writing at desk / pictures of roosevelt on desk / vs roosevelt... - 年輪 個影片檔及 b 捲影像00:32
typed card describing clip / shot of tree on the grounds of pres. franklin roosevelt's springwood estate / front door of springwood / portrait of... - 年輪 個影片檔及 b 捲影像00:53
drone shot pulling back from lush pine forest revealing a lake on a sunny morning - 年輪 個影片檔及 b 捲影像00:08無人機角度, 丹麥, 樹林
typed card describing footage / pres. franklin roosevelt standing on rear platform of train waving at crowd next to train / roosevelt sitting in back... - 年輪 個影片檔及 b 捲影像01:33
