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.

_ g . . f 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.