Show The 114 Tree I The difference In the strength ol the I affinity existing between different tun ancei may be easily Illustrated hy the following experiment mol an ounce of acetate of lead sugar ol Iud In a quart of water and fill a grace Jar wllh the solution If a piece of line or a few Spirals ol the tame metal be now impended In the liquid lIt l-It I will alter a short time be covered with a gray coating from which brill feat melalle spangles will ihoot forth somewhat In the shape ol a tree TI eta are pure lead and the phenomenon hi 1 ainlllirly known at the Mead tree The effect linn produced U due lo the Superior affinity of the line fur the die acid combined wllh the led atjd which causes the two met 1 t lo Interchange place the line com nlng with the acid and entering Into Solution and the lead blng deposited In he metallic State III place ol the line 11 the action be kept up long enough every particle nl lead may In thti way lit I wlhdrawti 1 from the liquid Sclentl I lie American I |