Pmal clause 
     
    
   
   
    
     [931‘ 
     
    
   
   
    
     of any weighing machine being leased as afore— 
     
     said, ‘the person who may obtain the same shall 
     
     be required to take and subscribe the Coal 
     
     Meter and W'eigher’s oath, and be subject to 
     
     the other provisions of this By-law. 
     
    
   
   
    
     15. Any' person or persons guilty of an 
     
     infraction of any of the provisions of this By- 
     
     law shall, upon conviction in the City Police 
     
     Court of the Stipendiary Magistrate, on the 
     
     oath or affirmation of any credible witness, forfeit 
     
     and pay at the discretion of the said Magistrate, 
     
     a penalty not exceeding twenty dollars for each 
     
     offense, exclusive of costs; and in default of 
     
     payment thereof, it shall and may be lawful for 
     
     the said Magistrate to commit the offender or 
     
     offenders to the common jail of the said city 
     
     for any period not exceeding thirty days, unless 
     
     the said penalty and costs be sooner paid.