men and women listen to chemistry lecture from teacher; 1956 - blackboard visual aid stock videos & royalty-free footage00:06
sequence showing three close-up shots of a middle-aged man drawing the axis of a simple graph with chalk onto an old-fashioned, free-standing blackboard, uk. - blackboard visual aid stock videos & royalty-free footage00:20
profile view close-up sequence showing the hand of a middle-aged man with a watch writing illegibly with chalk on an old-fashioned blackboard in a room lit with natural light, uk. - blackboard visual aid stock videos & royalty-free footage00:18
close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (m equals mercury, v equals venus etc.) with chalk. - blackboard visual aid stock videos & royalty-free footage00:17
a man points to a position on a blackboard with his little finger before drawing a sequence of small x-shapes in chalk in an undulating line to indicate how vera rubin showed that stars travel at roughly the same speed irregardless of orbit distances. - blackboard visual aid stock videos & royalty-free footage00:14
focus on a shabby old-fashioned light-switch in the foreground, with free-standing blackboard standing in an empty warehouse in the background, with natural daylight pouring in through large windows, uk. - blackboard visual aid stock videos & royalty-free footage00:06
cu drawing mathematical graph on chalkboard - blackboard visual aid stock videos & royalty-free footage00:09
soft focus view of a dot being drawn on a blackboard - blackboard visual aid stock videos & royalty-free footage00:12
sequence showing teenage girls and boys being taught in a us high school classroom; boston, 1974. - blackboard visual aid stock videos & royalty-free footage00:20
sequence showing an illustrational graph plotted on an old-fashioned blackboard of the speed that the planets in our galaxy orbit the sun relative to their distance from the sun (m means mercury, v means venus etc.), as caused by gravity. - blackboard visual aid stock videos & royalty-free footage00:22
teacher conducts a french lesson at the newly built ravenscroft secondary school - blackboard visual aid stock videos & royalty-free footage00:11
hand writes 'histoire' on blackboard, drc - blackboard visual aid stock videos & royalty-free footage00:08
cus arrows being drawn on a blackboard - blackboard visual aid stock videos & royalty-free footage00:23
sequence of female teacher and bored schoolgirls in 1968 - blackboard visual aid stock videos & royalty-free footage00:21
sequence showing empty school classrooms. - blackboard visual aid stock videos & royalty-free footage00:15
nobel physics laureate professor duncan haldane cleaning a blackboard in his classroom at princeton university - blackboard visual aid stock videos & royalty-free footage00:15
school children take part in a french lesson at woodberry down comprehensive school. - blackboard visual aid stock videos & royalty-free footage00:09
people look at missing person blackboards at the benfleet relief centre following the terrible flooding along the east coast of england. - blackboard visual aid stock videos & royalty-free footage00:29
american newsreel reporting on ladies from the imperial palace attending an annual convention where they learn about scalp health from an expert and... - blackboard visual aid stock videos & royalty-free footage01:05
maya angelou recalls being educated in her village as a child and using a blackboard to communicate due to her childhood mutism; 1994. - blackboard visual aid stock videos & royalty-free footage00:51
a man wearing a shirt and a wedding ring uses a blackboard eraser to wipe out mistakes in chalk on a free-standing blackboard placed in a large room lit by natural light before drawing the axis of a graph, uk. - blackboard visual aid stock videos & royalty-free footage00:13
school children work in a biology class at woodberry down comprehensive school. - blackboard visual aid stock videos & royalty-free footage00:06
teacher uses a blackboard in his lesson. - blackboard visual aid stock videos & royalty-free footage00:19
teacher uses a blackboard in her lesson. - blackboard visual aid stock videos & royalty-free footage00:08
teacher teaches a lesson at a new primary school at mosside. - blackboard visual aid stock videos & royalty-free footage00:20
close up of a hand writing and pointing at a chalkboard with chalk. - blackboard visual aid stock videos & royalty-free footage00:08
man writes rain stops play onto a blackboard at an outdoor sporting event. 1953. - blackboard visual aid stock videos & royalty-free footage00:03
sequence showing a teacher wearing an academic gown writing a mathematics problem on a blackboard before turning to face the classroom, where grammar... - blackboard visual aid stock videos & royalty-free footage00:12
grammar school pupil is called upon out of many children with their hands up to go to the front of the class and write the numerical solution to a... - blackboard visual aid stock videos & royalty-free footage00:16
an art teacher wearing an apron points at abstract art that is pinned to a blackboard of a high school classroom. usa; 1964. - blackboard visual aid stock videos & royalty-free footage00:11
scoreboard updated during game of skittles, uk; 1979 - blackboard visual aid stock videos & royalty-free footage00:07
full classroom cuts to empty classroom desks and chairs; 1955 - blackboard visual aid stock videos & royalty-free footage00:08
forward pov shot moving past the shops at kensington gardens in brighton's famous north lanes. - blackboard visual aid stock videos & royalty-free footage00:30
forward pov shot moving past the shops at kensington gardens in brighton's famous north lanes. - blackboard visual aid stock videos & royalty-free footage00:32
tilting tracking shot showing smoke rising from an outdoor classroom where children are being taught spelling, kenema, sierra leone. - blackboard visual aid stock videos & royalty-free footage00:31
tributes to the victims of the manchester arena bombing in tarleton - blackboard visual aid stock videos & royalty-free footage01:34
sequence showing the feet of people walking and the wheels of cars and a bicycle as they travel over cobble paving stones on a central parisian street, next to a sandwich board advertising refreshments in english, france. - blackboard visual aid stock videos & royalty-free footage00:42
a sandwich board containing a blackboard advertises, in english, two breakfast menus to tourists visiting paris, france. - blackboard visual aid stock videos & royalty-free footage00:09
a middle-aged man writes 'speed' and 'distance' onto the axis of a simple graph drawn on an old-fashioned blackboard in order to explain how he would expect time to behave, uk. - blackboard visual aid stock videos & royalty-free footage00:12
close-up sequence showing the shadow created by natural light of a man moving across a blackboard, uk. - blackboard visual aid stock videos & royalty-free footage00:08
a man wearing a shirt who is trying to draw a graph on an old-fashioned blackboard placed in a warehouse studio rubs out a mistake in chalk with an eraser, only to drop the chalk moments later, uk. - blackboard visual aid stock videos & royalty-free footage00:14
sequence showing the traditional climbing methods employed on a pilgrimage to the top of croagh patrick on reek sunday, county mayo, republic of ireland. - blackboard visual aid stock videos & royalty-free footage00:08
shots of an abandoned school in sierra leone as the ebola crisis spreads across the country - blackboard visual aid stock videos & royalty-free footage00:18
school girls write down a recipe for hot cross buns from a blackboard during a cookery lesson. - blackboard visual aid stock videos & royalty-free footage00:13
air traffic control room el gamil airbase suez crisis egypt; 22 nov 56 - blackboard visual aid stock videos & royalty-free footage00:10
tilt up from paints xylophone and school books and zoom in on blank black board in classroom - blackboard visual aid stock videos & royalty-free footage00:12
elderly lady standing at microphone holding placard reading 'not in my name' at anti war demonstration; nov 03 - blackboard visual aid stock videos & royalty-free footage00:03
school children work in a classroom at woodberry down comprehensive school. - blackboard visual aid stock videos & royalty-free footage00:07
teacher teaches a lesson at a new primary school at mosside. - blackboard visual aid stock videos & royalty-free footage00:27
new born babies are weighted at a child welfare clinic. - blackboard visual aid stock videos & royalty-free footage00:20
woman places a bet on the derby with one of the many bookies at epsom racecourse. - blackboard visual aid stock videos & royalty-free footage00:07
woman places a bet on the derby with one of the many bookies at epsom racecourse. - blackboard visual aid stock videos & royalty-free footage00:07
class of adults learn english via the bbc's external services , english by radio programme. - blackboard visual aid stock videos & royalty-free footage00:25
jobber writes prices onto a blackboard at the london stock exchange. - blackboard visual aid stock videos & royalty-free footage00:30
people wait at a railway platform for day trip excursions. - blackboard visual aid stock videos & royalty-free footage00:05
children in classroom looking at blackboard - blackboard visual aid stock videos & royalty-free footage00:10
teacher writes english alphabet on backboard with chalk - blackboard visual aid stock videos & royalty-free footage00:09
teacher goes through english alphabet on blackboard - blackboard visual aid stock videos & royalty-free footage00:09
teacher goes through english alphabet on blackboard - blackboard visual aid stock videos & royalty-free footage00:11
boy collects a spade from a youth club store hut. 1957. - blackboard visual aid stock videos & royalty-free footage00:07
rear view of students sitting at desk, japan; 1980 - blackboard visual aid stock videos & royalty-free footage00:10
zoom english foods listed on french café chalkboard, paris; 1952 - blackboard visual aid stock videos & royalty-free footage00:04
scientist from st bartholomew's medical school, who is working on a male contraceptive pill, explains diagrams that he has drawn on a chalkboard... - blackboard visual aid stock videos & royalty-free footage00:18
scientist who is working on a male contraceptive pill, explains diagrams that he has drawn on a chalkboard relating to male hormones: 'this hormone,... - blackboard visual aid stock videos & royalty-free footage00:37
scientist annotates diagrams on a chalkboard relating to sexual reproduction in men. the terms, 'sperm', 'sertoli cell', 'leydig cells', and... - blackboard visual aid stock videos & royalty-free footage00:24
research scientist from st bartholomew's medical school, who is working on a male contraceptive pill, explains a route to creating the pill by... - blackboard visual aid stock videos & royalty-free footage00:55
scientist from st bartholomew's medical school, who is working on a male contraceptive pill, explains diagrams that he has drawn on a chalkboard... - blackboard visual aid stock videos & royalty-free footage00:36
ws man writes 'rain stops play' on chalkboard, uk; 1953 - blackboard visual aid stock videos & royalty-free footage00:03
notice board at a station explains why trains may be delayed or diverted after a derailment in snowy weather: 'special notice - british railways... - blackboard visual aid stock videos & royalty-free footage00:03
shots showing unidentifiable male prisoners taking part in lessons. includes over-the-shoulder view of a young prisoner writing on lined paper with a... - blackboard visual aid stock videos & royalty-free footage00:09
an unidentifiable teacher uses a calculator in a prison classroom. includes close shot showing the teacher punching numbers into the calculator held... - blackboard visual aid stock videos & royalty-free footage00:09
protestors who are occupying a restaurant or café in a bid to prevent the demolition of listed buildings in the area write slogans in aid of their... - blackboard visual aid stock videos & royalty-free footage00:11
girls at a technical college use old-fashioned telephones and take notes as a teacher appears to use a tape player, perhaps in anticipation of a... - blackboard visual aid stock videos & royalty-free footage00:09
shots of buildings that have been boarded-up in anticipation of possible damage because of watchfield free festival in the village of watchfield,... - blackboard visual aid stock videos & royalty-free footage00:11
maps in a classroom, democratic republic of the congo - blackboard visual aid stock videos & royalty-free footage00:05
'sold out' sign is placed on petrol station forecourt; 1950 - blackboard visual aid stock videos & royalty-free footage00:08