of the ball from becoming marred by direct contact with
the iron. The gatherer then blows into the pipe while
giving the ball and pipe a
SIX STAGES OF "HAND CYLINDER PROCESS".
rotary motion on the block, at the same time pulling it
upwards in an inclined direction (Fig. 2 and 3). By this
means the ball assumes a pear shape and thus forms what is
known as
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