microscope is worth photo- sharp focus. They will, on the other hand, diminish human body furnish very excellent subjects for mi- graphing. The naked eye of the amateur, however, the size of the circle thrown on the ground glass and, crophotography. Mounting the subject is quite sim- cannot be… … Fig 1.—Figure obtained by diffusion Fig. 2a.—Monopolar field of Fig. 3.—Bipolar Fig. 5.—Cellular liquid form due to diffu- diffusion. 4 Y of potassium ferrocyanide diffusion, field-of dif- ion between two poles sion of six drops of Na Cl solution and iron sulphate. fusion. colored with India ink in…
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