A SIMI'I.K CnoI.l.K 1 OK USE WITH 11IK MICKOTOM; -^4 I 



li\cred in.i> 1/c fiirtlu-r lowered by the addition of N.iCI to the 

 ice. Uther -alt- can be used should a greater (K']in---i(in of the 

 K-rnpi-ral urv l.r ; ;ry. 



Tin- lollou in- ia M<- i- the record of a test made at a room tem- 

 perature I Tin- material in thi> particular case could 



Fie. i. PI 



in. : tru 'in M 



.ii'l.inl. 



imi IK- iinlicildcd in parai'tin with hi^h melting-point ami satis- 

 factory sections, c\cii as thick a- u niicra, could not In- cut. 

 With the aid of the (.idler ho\\r\er. a perfect -eric-, ^ niicra in 

 thicknc--. was ca-il\ |ucparcd fnnil the -ailic Nock of 45 . 



paraffin. 



