the primitive methods by which the Mint was cared proportional amount. -Nine of these machines, ex- split. In order to prevent this the strips are an- for in early times. nealed by being heated in a furnace to about 1,500 deg. cepting the motor, were designed and built at the The process by which… … the steel, and as tus is easily ob- and from these the coins are literated it is best to go over the made. The first step consists in lines with a sharp-pointed instrument. The next step preparing an alloy for coinage of the refined gold according to the heat of the furnace and the size of is to…
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