| Show A grand achievement in science the bank of england doors are now so finely balanced that a clerk by pressing a knob under liis desk can celoso the outer door instantly and they cannot bo opened again except by special process this is done to prevent the daring and ingenious unemployed of the metropolis from robbing alio bank the bullion departments part ments of this and other banks aro nightly submerged several feet in water by the action of machinery in some banks the bullion department is connected with the managers sleeping room and an entrance can not bo effected without shooting a bolt in tho dormitory which in turn sets in motion an alarm if a visitor during tho day should happen to knock off one from a pile of half sovereigns the whole pilo would disappear a pool of water taking its place |