am conscious that this sub- enough to require no explanation. Should the friction of which will be fully understood without explanation. It ject is by no means exhausted, I believe that the few exam- the spiral on the standard ever become so slight as to per- mit the rings to slip down, the spirals… … WIRE APPARATUS FOR LABORATORY USE. —16. Holder for Condenser.— 17. an adjustable test tube holder, adapted to the standard formed in the same way.. The best way to form good gestive of other things equally as good. I have found wire shown in Fig. 12, and capable of being turned on a peculiar…
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