e draw of brass, with a small collar to prevent it dropping the gold leaf gently out for \ inch, and lay one down, is fixed, a thicker piece is screwed or piece of the thin brass under this ; then lay the soldered on the top, and through this a piece of other piece of paper down upon the first, and… … Gold leaf Electroscope FIG. A. Ptth bad Ele-ctroscope . The rod may be wedged or soldered to keep it careful to have the folded papers in line with steady; the ball is screwed on the end; the the rod. Now lift the rod gently, and allow the various parts may be permanently fixed together paper to…
Industrial arts · Handicraft
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