o want 60 sheets of thin writingpaper, cut according to Figure 12. The cutting of both tin-foil and paper can, of 8 SOMETHING ABOUT X-RAYS course, be done by hand, but it is better to foldup a number of large sheets to about the rightsize and take them to a bookbinder to trim tothe shape you want.… … FIGURE 12. in the melted wax. The melting must be care-fully done so as not to cause the wax to boil orburn. After dipping a sheet draw it out and ifthe paraffin is hot enough the bubbles will runoff. It must then be hung, by wooden clips, ona line already stretched for that purpose and thewax…
X-rays · Fluorescence
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