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34 through the grotto. Lantern No. i showing the lake scene, No. 2 shows the grotto rising out of the water, and with No. 3 we have the nymphs saiHng through the grotto, or again, the fields of Bethlehem with shepherds is No. I, a star appears and sheds its light over the distant city No. 2, angels appear to the shepherds No. 3, it is seen that to use these effects all three lanterns are used at one time, and for ordinary occasions, when simple views are dissolved, two lanterns only are used, in the case of emer- gency or of one of the lanterns going wrong, there is always the third lantern to fall back upon. We were once using a Biunial in a large hall, and through no fault of our own, the lime split and fell, and in less time than it takes to tell, the mixed gases had melted down the lime pin into a little lump thus preventing the use of a new lime, as it could not be placed on the pin. If it had been a Triple lantern, there would have been the third lantern to fall back upon, as it was, one lantern only could be used for the remainder of the exhibition. No professional exhibitor would risk his reputation in using only two lanterns, although he may not often use effects. There are many charming little effects to be made by the operator, which can only be done with a Triple, take as an instance the showing of statuary, the orthodox way is to dissolve one over the other, there we think half the charm is lost, how much better it is to roll the curtain up disclosing the statue beneath, and the statue to stand out against a varigated background of tints, and into these tints a second statue dissolved, the manner of bringing this about is as follows, in the bottom lantern is placed a circular carrier, and in the diaphragm slot of the lens is placed a colored glass, say dark blue, as the curtain slide is rolled up disclosing the statue beneath, the bottom lantern is also turned on, the statue thus stands out against a colored background, this glass may be withdrawn, but in so doing follow it up with a dark red or green. Beautiful tints may be made in this manner by overlapping the colours and in some cases three glasses may be held in the hand overlapping each other, and the effect is marvellous The statue dissolved into a dark red background or heliotrope is a change, and if using animated statuary at the same time a very charming illusion is created. In a storm scene the view may be darkened by a blue glass and a red or blue lightning flashed on, whereas perhaps the storm scene would look nothing by itself, the lightning making the effect, these, and a host of other little effects can be best used in a Triple, and all have their particular charm. THE DOCWRA TRIPLE derives its name from that eminent lantcrnist, Mr. Colin Docwra,