IRtANIC EUTECTIC MIXTURES
Prepare weighed samples of m o or more of +he pairs of SUIIkncm indiratd in the tablo. l'rovide a 6- X 1-in, twt ~ I I :md ~ C , tlmmxneter.
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If desired, the tube may be i n ~ 1 1 : h dfrom the s ~ ~ r r o ~ ~ m l i n g tbmphere in a beaker filled with lome ashostos or in :I m ~ d l .hem03 bott,le, 51x1 the mt,ect,ic tmqierature may I E IW:I?IY ll~,,Nl,
REPARATION
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,.,lcuoscoPc PROJECTOR
OWSCTIVE
I EM ON STRATI ON AtIji~stt h e ~ I I of P light, f r o m t , h e p r o j e c t o r : I I I ~ ~ I I S :gystc~nfor n ~ a x i r n u nil111mimtio11 ~ imnicdiatdy I~elow 'mirmwpe d ) j ( ~ d vIPIIS, : ~ n do h c r v c Rrowniml rnot h of s u q x m k l p w t i d ( ~ l ~ ~ ~ l r o c h l o:wid. ric
REMARKS This d e ~ n m s t r a t i orssmtially ~~ repcats t h e o r i g i ~ ~ d piment. of X s i g n ~ o ~ i d yu,s i n g appasat,lls ~ v h i r h is
K,Taylor used a * 5 0 0 - ~ a t p, tr o j r r t o r , 7 - r m focal 1e11gtI1 l i ~ mcl , it ';6-i~~,o h j c c t i ~ e1 1 ~ s . T h i s d e m m s t r a t , i o ~ ~ w a s c h w k r d n i t h a i50-1mt,t, p s o j r c t o r , 13-in. focal 1r11gih ICIIS, m d a 43X X.A. 0.55 o h j w t i v c lens.
