slides on together and having overlapping portions, spring- sheet gelatine has been practiced for more than twenty pressed pins within the handle projecting through the years.— ED. Scr. Am.] overlapping parts, the pins being pressed inward when a a the handle is to be removed. The lower end of one… … tin putty that was used was a stannate of lead which was manufactured in special furnaces by oxidizing three parts of lead with one part of tin. In the new material two parts of meta- is provided with a series of grooves or recesses, and stannic acid are added for each part of putty, the lead…
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