Searching First Scientific Lecture-Course
You may select a new search term and repeat your search.
Searches are not case sensitive, and you can use
in your queries.
Query was: screen
Here are the matching lines in their respective documents.
Select one of the highlighted words in the matching lines below to jump
to that point in the document.
- Title: Second Lecture (First Scientific Lecture-Course)
- wall through which the light is pouring in, we put a screen. By
- circular surface on the screen. The experiment is best done by
- outside. We can then put up a screen and catch the resulting picture.
- smaller patch of light on the screen. Deflecting it again with the
- screen and there forming its picture of light (
- Title: Third Lecture (First Scientific Lecture-Course)
- we let a cylinder of colourless light impinge on the screen, it shows
- through the space of the room, we get a white circle on the screen.
- as follows. Catching the picture by a screen placed here, I should
- together, one from either end. But I could now move the screen
- should get a similar figure if I moved the screen farther away.
- it so that when moving the screen to and fro there would be a very
- simple picture of it on the screen would be the outcome. Not so if
- would be considerably enlarged. Once again, while moving the screen
- Title: Fourth Lecture (First Scientific Lecture-Course)
- of colours, from violet to red; we caught it on a screen. I made a
- to a screen and seeing the picture projected there, we put our eye in
- studied first — that on the screen — you may use the name
- bombard the screen. There then these tiny cannon-balls impinge. The
- medium or not as the case may be, arriving at the screen and there
- IVd). If I then put up a screen — say, here — I shall
- screen. The light is reflected and falls on to the screen; so then I
- can illumine the screen with the reflected light. For if I let the
- part of the screen, making it lighter here than in the surrounding
- reflected from here below (from the second mirror) on to the screen,
- is such that the screen is lighted up both by reflection from the
- though the screen were being illumined from two different places. Now
- direction. After recoiling from the mirror they reach the screen and
- much lighter on the screen when there are two mirrors than when there
- is only one. Therefore if I remove the second mirror the screen will
- it extinguishes the light. Here therefore on the screen we do not get
- no way disturb each other. Here however, at the screen in this
- Title: Fifth Lecture (First Scientific Lecture-Course)
- screen. Instead we will observe the spectrum by looking straight into
- on to the screen. Into the path of the cylinder of light I place a
- Title: Seventh Lecture (First Scientific Lecture-Course)
- upright rod which will throw shadows on this screen. You see two
- of the screen apart from the two bands of shadow, you will agree it
- I darken this source of light, the white screen as a whole shines
- red. I am not really seeing the white screen; what I see is a
- reddish-shining colour. In fact I see the screen more or less red.
- screen as a whole now has a reddish colour.
- phenomenon, the green that stays there on the screen; though not a
- apparatus we have here set up — the screen, the rod and so
- Title: Tenth Lecture (First Scientific Lecture-Course)
- issuing from the negative electric pole) upon a screen or other
- screen which you put in the way; the space behind the screen is
- screen in the way of the cathode rays.
- catch them on a screen shaped like a St. Andrew's cross. We let the
- letting them fall upon a screen of barium platinocyanide. They have
Rudolf Steiner e.Lib is maintained by: