652 



THE: MOJONNIER TEST 



14. Rheostat for fat plate. Lever must make good contact 

 with one button, not with two at a time. When right button has 

 been found that maintains constant temperature, mark this point 

 on rheostat rim. When starting tester each day, turn handle on 

 full until temperature has risen to within right point, then turn 

 back to previously marked button. 



8 5 3031 25 II 7 10 3 136 4 



17 



16 29 14 15 19 18 



Tig. 111. Mojonnier Tester 



Courtesy Mojonnier Bros. Co. 



24 



15. 



16. 

 in (14). 



17. 

 in (14). 



18. 



19. 



Rheostat for oven. Observe same precautions as in (14). 

 Rheostat for solids oven. Observe same precautions as 



Rheostat for solids plate. Observe same precautions as 



Handle for centrifuge. 



Snap switches for each hot plate showing temperature 

 and time for treating samples at various points. 



20. Power unit, consisting of vacuum pump, water circulating 

 pump and motor for same. Keep pump filled to air cock with oil 

 furnished with tester. 



