The "Indispensable Handbook" to the Optical Lantern; A Complete Cyclopaedia on the Subject of Optical Lanterns, Slides, and Accessory Apparatus (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 Excerpt: ...per pair 1 17 6 Newton's rings apparatus, for showing the phenomena of Newton's rings on the screen, mounted on adjusting stand.... o 17 6 Lantern kaleidophone, on stand............0106 427--Accessories to Lantern Microscope. Objectives: --Objective for large objects............ o 12 C 3m. achromatic objective............200 2in., ............220 1jin., ...... 250 $jths, ............276 I'o-ths, .......... 1 10 o xths, .... 1 10 o Substage condensers. These are necessary, whether the speciallymade objectives be used or ordinary microscope powers. No. 1. Substage condenser in cell, for double piano power, and 3in. achromatic objectives............080 No. 2. Substage condenser in cell, for all powers from 2in. to Atns m o S 6 No. 3., for jfths, Jin., and tbs objectives o 17 C, 4. for Jin. objectives.... 1 7 0, 5. Same as No. 4, with extra front for immersion objectives.. 1 12 6 Amplifier: --No. 1, in cell................ o j o 2 o j o, 3 tt. 090 Extra carriers for objectives (useful for rapid change of powers)..030 Live cage, large size, specially made with flush foundation plate for exhibiting live msects, animalculae in water, &c..... o 12 6 Glass troughs for pond life, &c......... 1/6 to o 3 o Frog plate for showing circulation of blood in living frog, special pattern for use with lantern microscope........ o 17 6 Spot lens for use with ths objective, in cell o 17 6 Lieberkuhn for opaque objects............ 1 1 o PART I. Apparatus Connected urith Slides.----GREAT deal of the effect and success of a lantern exhibition is in a measure dependent upon the manner in which the change from one picture to another is made. Nothing looks so bad, or causes the audience to "think things,&quot...