The Art of projection and complete magic lantern ... - Yesterday Image

94flaps held in position level with the principal base, the side flaps are veryhandy for holding slides, lime tongs and carriers, and are made to falldown for travelling and portability.In the case of a triple, the travelling case should be fitted with acanting board, the top flap being generally used for this purpose, twocoarse threaded T shaped screws fitting in screw plates at each corner,tilting the flap up to the required angle, and this if necessary placed on abox or firm table, forms the best of tripods.Avoid all elaborate arrangements of screws and angle pieces, and socalledcanting tables, they are unnecessary, simplicity is of the most vitalimportance, when travelling the screws become loose and lost, and themetal side plates get bent.When a single lantern only is used it is not necessary to have a tripodof so solid a structure as Fig. 46. A very light ash and deal tripod ismade, and can be raised to the height of six feet or more, and with thetop that may be tilted, is all that can be desired for one lantern, rigidityshould not be sacrificed for portability, as nothing is more irritating to anaudience than to see the picture oscillating on the screen.CARRIERS.Fig- 47-It is necessary for all slides that are unframed to use a carrier of somedescription, of these there are many kinds, we willa single lantern first.take those for use withDissolving with a single lantern is no new ideal, only that we are as faroff from the actualaccomplishment of this illusion as we were ten yearsago. Dissolving with a single lantern, to obtain the same effect as isachieved with a biunial is an impossibility, and those carriers and lanternswith this title are misleading and untrue in their interpretation.A carrier may be so constructed that the change from one view toanother is almost imperceptible, as the one slide disappears from view,