Handy man's workshop and laboratory . Fig. 175—Curve obtained when weightis drawn aside and lifted—ratio 1/1. Fig. 174—Details of theelastic pendulum Fig. 176—When weight is deflected andraised—ratio % HANDY MANS WORKSHOP AND LABORATORY I99 at the top and a plug of lead at the bottom. The weight may beadded to by putting shot in the tube. A record of the curvetraced by the moving weight is obtained by attaching a pealamp to the lower end of the weight; supplying this with currentfrom two very light wires coming in from one side, and photo-graphing this light by a camera placed vertical to the
Handy man's workshop and laboratory . Fig. 175—Curve obtained when weightis drawn aside and lifted—ratio 1/1. Fig. 174—Details of theelastic pendulum Fig. 176—When weight is deflected andraised—ratio % HANDY MANS WORKSHOP AND LABORATORY I99 at the top and a plug of lead at the bottom. The weight may beadded to by putting shot in the tube. A record of the curvetraced by the moving weight is obtained by attaching a pealamp to the lower end of the weight; supplying this with currentfrom two very light wires coming in from one side, and photo-graphing this light by a camera placed vertical to the plane inwhich the pendulum swings. A lamp may be selected giving
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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectworkshoprecipes
