. Bacteria in relation to plant diseases. Bacteriology; Plant diseases. PLATE 16 ,. Zeiss photomicrographic stand I"^. The barrel "y* is of greater diameter than in stand Ila. The line adjustment is at " W " and no weight rests on it in lifting the instrument by the handle " ; The set screw "K " locks the upper part of the instrument at any angle. The objective is set in place by means of a very convenient slide carrier. The 6ne adjustment screw has an extremely slow movement ; and the vernier screws are on the same axis (a great convenience). The stag
. Bacteria in relation to plant diseases. Bacteriology; Plant diseases. PLATE 16 ,. Zeiss photomicrographic stand I"^. The barrel "y* is of greater diameter than in stand Ila. The line adjustment is at " W " and no weight rests on it in lifting the instrument by the handle " ; The set screw "K " locks the upper part of the instrument at any angle. The objective is set in place by means of a very convenient slide carrier. The 6ne adjustment screw has an extremely slow movement ; and the vernier screws are on the same axis (a great convenience). The stage rotates and may be locked at the desired place by means of a set screw. For the substage arrangement see 5gure 120-. 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 Smith, Erwin F. (Erwin Frink), 1854-1927. Washington, D. C. , Carnegie Institution of Washington
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