NORMAN SELFE. 
XLIV. 
ere te ee ee \ 
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$22 GLe'2 ov ‘ | any7 ead oun z, _ 
29 4 oe) 3% : | 
Sqi96 =| ‘sq, LF 224 i \ ae eg. 2 
PELs yaLY HY. I ! ge a , as c/ |oe* = 
SBunoia Ki q — U 
U3HL" NUNHAING Ov USL al | : é S m 
49 SUNOAGVA | Dees | 1 \ io, = ab 
4 ? sel i 1 1 tae 
ie elt i ee. 
FN | | ' 1 
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Poet 4! ! | : | 4 a cas 
| I | : 
areheee l : l A= 2 
we ietl te Pap i lets ee | eae 
i8 | + 4 | o 
iP | | | : = 4 
iz ; | ] l | | a=, 
5 auahasqwiv | inst) '=|  s#iNtT | gaisoa . lls 
\@ | \ ? ' 
2 ( I : ' F] » 
ii : 1 ' miie ' 
ee ! : ! | ! aes 
‘a I | | \ ' | i ' 
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S bik Bo BOW Eek we ef 
your aavnvs 4a sSPpuUndd ul SO4nse did : 
SaiHOVIN ONLLWdSOM-ay CON! aasn VIGaIN «| TVd ISNTUd m 
YS Jo Sadassai bth seu 
SLNIOd ONITIog +v —-SUNAVUAdh 
Fig. 5. 
212° and which requires the pressure reduced down to 0:089 of 
1b. per square inch—a very h 
at 32°. Again sulphuric ether which boils at 96° under atmos 
* 
h vacuum—to enable it to vaporise 
i 
— pressure must be attenuated to at least 12Ibs, below atmos- 
