. The bird book. Birds. EYES AND CAMERAS. WiiEX you have longed to own a camera, did it ever occur to you that you already had two, and that you could not avoid taking pictures all day long unless you closed your eyes ? The eye, like the camera, is a box, blackened on the inside and divided into two unequal chambers by a partition with a lens in it that, like a little round window, is directly in line with a hole in the front. These are the essentials of a good camera, though the little " pin-hole " cameras that boys some- times use are even Fig. 85. Diagram of IIiman Eye.


. The bird book. Birds. EYES AND CAMERAS. WiiEX you have longed to own a camera, did it ever occur to you that you already had two, and that you could not avoid taking pictures all day long unless you closed your eyes ? The eye, like the camera, is a box, blackened on the inside and divided into two unequal chambers by a partition with a lens in it that, like a little round window, is directly in line with a hole in the front. These are the essentials of a good camera, though the little " pin-hole " cameras that boys some- times use are even Fig. 85. Diagram of IIiman Eye. C Cornea. L Lens. I Iris. ON Optic nerve. CP Ciliary processes. ])ut some one who has owned a camera and who knows all about them says that though our eyes may be black inside, and 108. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Eckstorm, Fannie Hardy, 1865-1946. Boston, Heath


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1901