Since the violet rays through the objective of the theodolite telescope have a shorter focal length than the red rays, it is evident why the eye-piece must be displaced in order to see plainly the lines in the different colors. (Joseph von Fraunhofer)

Since the violet rays through the objective of the theodolite telescope have a shorter focal length than the red rays, it is evident why the eye-piece must be displaced in order to see plainly the lines in the different colors.

Joseph von Fraunhofer

Related topics

different focal length objective order red see telescope theodolite violet eye-piece lines shorter colors

Related quotes

Weren't all books ultimately related? After all, the same letters filled them, just arranged in a different order. Which meant that, in a certain way, every book was contained in every other!

Cornelia Funke

The cool thing about my character was that it's not that digital. I get to put hours of prosthetic makeup on and see a different creature altogether. I've seen how he looks and it's really cool.

Joseph Gordon-Levitt

Who in the rainbow can draw the line where the violet tint ends and the orange tint begins Distinctly we see the difference of the colors, but where exactly does the one first blendingly enter into the other So with sanity and insanity.

Herman Melville

If one says 'Red' and there are 50 people listening, it can be expected that there will be 50 reds in their minds. And one can be sure that all these reds will be very different.

Josef Albers

If all hearts were open and all desires known -- as they would be if people showed their souls -- how many gapings, sighings, clenched fists, knotted brows, broad grins, and red eyes should we see in the market-place.

Thomas Hardy