The roar of Canadafs guns is being heard today all 
     
     around the world,_ on _ and, on sea, and in the air. 
     
     Foreign to Canadian industry before the war, gun 
     
    
   
   
    
     tting a broach on a ‘lathe prior to fifling the 
     
     rrel of the 4-incher. Over _50,Q00 are employed 
     
     I tun and small arms production in primary plants. 
     
    
   
   
    
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     nadia" l ord ance program features four types of guns. twelve types ° 
     
     untihlésflaggown gbove in final stage o_f production are! the tillage qlrlrillflplgllxgg‘: 
     
     um m belt-fed, watercooled- Canadian-bin" 2'1"" °’ m‘ i” 
     
    
   
   
    
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     manufacture is now being carried out in scores of 
     
     plants from coast to coast. Above, a six-pounder 
     
     anti-tank gun, important factor in Canada's program. 
     
    
   
   
    
     Workers put finishing touch to huge 4-inch naval gun. 
     
     Of the 15,000 units produced in Canada to date, many 
     
     have been naval guns. Factories turn out two types 
     
    
   
   
    
     of 4-inch guns, and three types of mounts to carry 
     
     them. hianufacture of a gun is an extremely complex 
     
    
   
   
    
     and exacting Job, requiring painstaking planning 
     
    
   
   
    
     Heaviest land gun built in the Dominion is the mighty 3.7 llCi1_£\C_i\'-2lCi( gun. 
     
     One shown zihove is used on zuQuebec proving range to test pro -‘CtliL‘S. This 
     
     weapon weighs as much as a city bus, is a masterpiece of indust al technique. 
     
    
   
   
    
     With 500,000 small arms turned out .. nce the outbreak of the xvar, Canada is 
     
     more than holding her own in the lizittle of pr ductlon. Pictured above are 
     
     Browning tank machine guns, one of the 12 types of small arms made in Canada. 
     
    
   
   
    
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     An idea of the amount of work which goes into the 
     
     making of a gun may be derived from above picture - 
     
     showing the 40 breaches needed to rifle the barrel 
     
    
   
   
    
     of a 4-inch naval gun. Breaches “are rotated through 
     
     barrel, each removing‘ a. 1,000th of an inch of metal. 
     
    
   
   
    
     This is reason why every gun takes months to build. . _ " n‘ -  ' » W  
     
    
   
   
    
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     The man from Wars is here again, welding a section 
     
     of the 4.5 field gun carriage. Canadian factories 
     
     supply 4 types of army guns, 5 types of mountings. 
     
    
   
   
    
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     Thousands of women are playing a vital role in_ Canada's artillery production 
     
     drive, and doing a splendid Job. They tackle virtually every Jo_b handled by 
     
     men. This young miss inspects hundreds of parts which go into big naval guns.