. Modern microscopy; a handbook for beginners and students, combining. Microscopy. Fine Adjustments 23 micrometer screw being released this spring produces the reactionary power. One arm of the lever is four and a half times longer than the other, consequently the weight of the body at the milled-head end of the lever and the motion imparted are reduced in this ratio. Thus the makers give the weight of a body of one of their instruments as 17 ounces, and this divided by 4J reduces the resistance to 3|- ounces. This system has the advantage that the. Pig. 5. Section of Limb of Mickoscopb to sho
. Modern microscopy; a handbook for beginners and students, combining. Microscopy. Fine Adjustments 23 micrometer screw being released this spring produces the reactionary power. One arm of the lever is four and a half times longer than the other, consequently the weight of the body at the milled-head end of the lever and the motion imparted are reduced in this ratio. Thus the makers give the weight of a body of one of their instruments as 17 ounces, and this divided by 4J reduces the resistance to 3|- ounces. This system has the advantage that the. Pig. 5. Section of Limb of Mickoscopb to show System of Fine Adjustment. position of the milled head on the limb is convenient for manipulation, and is not altered when the body is racked up—that is, it is not carried by the rack-work, as in many forms, so that its attachment to a focusing rod of a camera for photo-micrography is easy and convenient. There is also a very simple means of adjustment provided for taking up any slackness through wear. The slide in which the line adjustment is fitted has sprung slots, to which are fitted screws (shown in Fig. 3, page 19, marked A). By turning these screws slightly, the spring-fitting grips the. 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 Cross, M. I; Cole, Martin J. Chicago, W. T. Keener & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicroscopy, bookyear1
