ILLINOIS MODEL 3412B-3C INVOLUTE MEASURING INSTRUMENT

Maximum Gear Diameter ..................  12"
Minimum Distance between centers .......  0"
Maximum Distance between centers .......  30"                              
Maximum Indicator Vertical Travel ......  9"                               
Maximum Degree of Roll .................  60 degree                        
Maximum Apron Travel from either side                                       
  of Zero Setting ......................  4"                                
Maximum Diametral Pitch ................  2                                 
Depth ..................................  33"                             
Width ..................................  31"                              
Height .................................  83"                              
Weight .................................  2,100#                            
                                                                            
EQUIPPED WITH:                                                             
                                                                            
Model #1606 Recorder