168 W. Crookes on the Wax-paper Photographic Process. 
ereihi on to the fluid. As soon as the wax is ee which 
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29. The paper i in this stage will contain far more wax than _ 
necessary; the excess may be removed, by placing the sheets 
singly between inintiiiee paper (14), and i ironing them; but this 
is wasteful, and the loss may be avoided by placing on ‘each side 
of the waxed sheet two or three sheets of unwaxed eee oe oe 
Pal r, and then ironing the whole between blotting paper; t 
generally be enough wax on the centre sheet to wervolball 
fully those next to it on each side, and partially, if not entirely, 
the others. Those that are imperfectly waxed may be made the | 
outer sheets of the succeeding set. Finally, each — must be 
separately ironed between blotting paper, until 
patches of wax are absorbed. 
30. It is of the utmost consequence that the tempers vu 
the iron should not exceed that of boiling water. Before using, — 
I always dip it into water until the hissing entirely ceases. This 
poeta lick to the ehe of this plo 
gravelly appearance, or are of smoothness in the: lights, and 
quick rage cs in the ae solution. 
B31. A well waxed sheet of paper, when viewed by obliquel: 
reflected light, ought to amo a perfectly uniform glazed 
ance on one side, while the other should be rather duller; th 
must be no shining patches on any part of the surface, nor 
should any irregularities be observed on examining the paper 
with a black ground placed behind; seen by tranamnted A h 
it will appear opalescent, but there should be no appreae toa 
granular structure. sone alien sheets is slight!) 
82. The e paper, h ng undergone on tag 10 
is ready for ‘odiing ; thie is effected ete pletely pine crsing it 
in an aqueous solution of an alkaline iodid, either Yeio-er mieed 
with some analogous _— . 
* These spots have been analyzed by Mr Mt Malone; pete them to consist, not ‘pte 
of iron, as is generally su but of small pieces of brass. I have 
ined thera myself with a like result. 
