rates these layers that agate mortar which has been extensively used in the laboratory. cealed, Fig. 2 giving the longitudinal vertical section, Fig. 3 the trigger plate ‘and triggers, and Fig. 4 a sec- RAIN WATER FILTER. tion of oneof the lock chambers. The barrels are connected in, the usual… … ular, and have longitudinal slots in their under sides, pins or sears pro- Shatz Kammer at Vienna, are immensely superior to jecting from the sliding hammer blocks through from the roof, and conduct it to a cistern. The water the simple crystal balls. Two pieces of this class, recent the slots in…
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