Picturing Miracles of Plant And Animal Life
Picturing Miracles of Plant And Animal Life
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In our eReader you can find the full English version of the book. Read Picturing Miracles of Plant And Animal Life Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Picturing Miracles of Plant And Animal Life
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To quickly assess the difficulty of the text, read a short excerpt:
I could not get my picture sharp. I stopped taking pictures and commenced experiment- ing with many sorts of combinations of lenses and methods, trying to get an image of a grain of pollen about a third of an inch in diameter in the camera, WHEAT First the Roots Then the Root Hairs Then the Leaves BEANS First the Roots Then the Cotyle- dons from which the Leaves Grow FIRST STEPS IN MICROSCOPIC MOTION PHOTOGRAPHY 95 which meant a magnification of about two hundred and fifty diameters. If I got t...he top of the grain sharp, the center and bottom would be out of focus and if the middle plane were sharp the top and bot- tom would be out. After many trials I found that by using a low power lens I could get a small image perfectly sharp. I focused on a piece of ground glass in place of the eye piece, then with a second micro- scope I was enabled to magnify that sharp image as much as I desired. I found that if I picked the image up from the ground glass, the result was granular, but that I could remove the ground glass and pick it up out of the air.
What to read after Picturing Miracles of Plant And Animal Life?
You can find similar books in the "Read Also" column, or choose other free books by Arthur C Arthur Clarence Pillsbury to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
I could not get my picture sharp. I stopped taking pictures and commenced experiment- ing with many sorts of combinations of lenses and methods, trying to get an image of a grain of pollen about a third of an inch in diameter in the camera, WHEAT First the Roots Then the Root Hairs Then the Leaves BEANS First the Roots Then the Cotyle- dons from which the Leaves Grow FIRST STEPS IN MICROSCOPIC MOTION PHOTOGRAPHY 95 which meant a magnification of about two hundred and fifty diameters. If I got t...he top of the grain sharp, the center and bottom would be out of focus and if the middle plane were sharp the top and bot- tom would be out. After many trials I found that by using a low power lens I could get a small image perfectly sharp. I focused on a piece of ground glass in place of the eye piece, then with a second micro- scope I was enabled to magnify that sharp image as much as I desired. I found that if I picked the image up from the ground glass, the result was granular, but that I could remove the ground glass and pick it up out of the air.
What to read after Picturing Miracles of Plant And Animal Life?
You can find similar books in the "Read Also" column, or choose other free books by Arthur C Arthur Clarence Pillsbury to read onlineMoreLess
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